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Semiconductors

23,839 materials

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Cu4 Te2

semiconductorCu4 Te2

Cu4Te2 is a copper telluride semiconductor compound belonging to the family of metal chalcogenides, which are materials combining metals with chalcogen elements (Te, Se, S). This material is primarily of research interest for thermoelectric and optoelectronic applications, as copper tellurides exhibit promising charge carrier properties and tunable band structures. While not yet widely deployed in mainstream engineering, Cu4Te2 represents an active area of materials development for next-generation energy conversion and sensing devices where efficiency and thermal management are critical.

thermoelectric power generationwaste heat recoveryinfrared detectors
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Cu4 Te4 Cl4 O10

semiconductorCu4 Te4 Cl4 O10

Cu₄Te₄Cl₄O₁₀ is an experimental mixed-metal chalcogenide semiconductor combining copper, tellurium, chlorine, and oxygen in a layered or framework structure. This compound belongs to the family of complex metal oxychalcohalides, which are primarily investigated in research settings for optoelectronic and photovoltaic applications due to their tunable bandgap and potential for charge transport. While not yet commercialized at scale, materials in this class are explored as alternatives to conventional semiconductors where heterogeneous metal coordination and anion mixing can create unique electronic properties for next-generation devices.

photovoltaic researchexperimental optoelectronicssolar cells (emerging)
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Cu4 Te4 O12

semiconductorCu4 Te4 O12

Cu₄Te₄O₁₂ is a mixed-valence copper tellurium oxide ceramic compound belonging to the family of transition metal tellurates, a class of materials studied primarily in condensed matter physics and materials research. This composition represents an experimental or research-phase semiconductor with potential interest in thermoelectric applications, photocatalysis, and solid-state physics due to the complex electronic interactions between copper and tellurium oxide frameworks. The material is not yet established in mainstream industrial production but exemplifies the broader exploration of quaternary metal oxide semiconductors for next-generation energy conversion and environmental remediation technologies.

thermoelectric materials (research)photocatalytic applicationssolid-state electronics (exploratory)
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Cu4 Te8 Cl4

semiconductorCu4 Te8 Cl4

Cu4Te8Cl4 is a mixed-halide copper telluride semiconductor compound with potential applications in emerging photovoltaic and optoelectronic device research. This is an experimental material primarily studied in academic and research settings rather than established in high-volume industrial production; it belongs to the family of chalcohalide semiconductors that have attracted interest for their tunable electronic properties and potential in next-generation solar cells or infrared detectors. The copper-tellurium-chlorine system offers potential advantages in bandgap engineering and solution processability compared to conventional semiconductor materials, though stability and scalability remain active areas of investigation.

photovoltaic researchoptoelectronic devicesinfrared detectors
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Cu5 Dy1

semiconductorCu5 Dy1

Cu5Dy1 is an intermetallic compound composed of copper and dysprosium, belonging to the rare-earth copper intermetallic family. This material is primarily of research and developmental interest rather than established production use, as it combines copper's excellent electrical and thermal conductivity with dysprosium's magnetic and rare-earth properties. The Cu-Dy system is investigated for potential applications in magnetic materials, high-temperature phases, and specialized electronic devices where the synergy of copper's metallurgical benefits and dysprosium's rare-earth characteristics could provide unique property combinations not available in conventional alloys or pure elements.

rare-earth intermetallics researchmagnetic materials developmenthigh-temperature phases
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Cu5 Er1

semiconductorCu5 Er1

Cu5Er1 is an experimental copper-erbium intermetallic compound or alloy system, representing a binary phase in the Cu-Er material family with potential semiconductor or electronic material applications. While not widely commercialized, copper-rare earth compounds are of research interest for their potential use in high-temperature superconductors, magnetoelectric devices, and advanced electronic components where the combination of copper's excellent electrical conductivity and erbium's magnetic and thermal properties may offer unique functional benefits. The material's practical adoption depends on thermal stability, processability, and cost-effectiveness relative to established alternatives in its target application space.

research semiconductorshigh-temperature materialsrare-earth intermetallics
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Cu5Ta11O30

semiconductor

Cu5Ta11O30 is a mixed-metal oxide semiconductor composed of copper and tantalum in a complex perovskite-related crystal structure. This is primarily a research material investigated for photocatalytic and electronic applications rather than a widely commercialized engineering material. The material is notable within the broader family of copper-tantalum oxides for potential use in water purification, environmental remediation, and optoelectronic devices, where its layered structure and mixed-valence metal centers offer advantages over single-metal oxide semiconductors in charge separation and visible-light activity.

photocatalytic water treatmentenvironmental remediationoptoelectronic research
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Cu5 Tm1

semiconductorCu5 Tm1

Cu5Tm1 is an intermetallic compound combining copper and thulium (a rare-earth element), belonging to the family of copper-rare earth systems studied primarily in research contexts. This material represents an experimental composition whose properties and applications are still under investigation; such compounds are generally explored for potential use in high-performance alloys, magnetic materials, or advanced electronic applications where rare-earth dopants modify copper's baseline characteristics.

research and developmentrare-earth copper alloyspotential magnetic applications
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Cu5 Zr1

semiconductorCu5 Zr1

Cu5Zr1 is an intermetallic compound combining copper and zirconium in a 5:1 atomic ratio, belonging to the Cu-Zr binary system that is primarily of research and developmental interest rather than established industrial production. This material family is investigated for potential applications in high-temperature structural applications, electronic device components, and thermal management systems due to the combination of copper's excellent thermal conductivity with zirconium's high melting point and strength. Cu5Zr1 represents an early-stage experimental composition where engineers and materials scientists are evaluating phase stability, mechanical behavior, and processing feasibility before potential commercialization.

high-temperature structural applications (research)thermal management systems (development)electronic device substrates (experimental)
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Cu6 As2 S8

semiconductorCu6 As2 S8

Cu₆As₂S₈ is a quaternary semiconductor compound belonging to the sulfide mineral family, structurally related to natural enargite and related phases. This material is primarily of research interest for its semiconducting behavior and potential in photovoltaic and thermoelectric applications, though industrial deployment remains limited compared to mainstream semiconductors like silicon or CdTe. The arsenic-sulfur-copper system has attracted attention for optoelectronic device development and as a model compound for understanding ternary semiconductor chemistry, though toxicity concerns and cost typically make alternatives more practical for commercial production.

photovoltaic researchexperimental semiconductorsthermoelectric materials
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Cu6 Bi2 Se4 I2 O16

semiconductorCu6 Bi2 Se4 I2 O16

Cu6Bi2Se4I2O16 is a complex ternary/quaternary semiconductor compound combining copper, bismuth, selenium, iodine, and oxygen—a research-phase material not yet established in mainstream industrial production. This composition falls within the family of mixed-halide and chalcogenide semiconductors, which are of interest for photovoltaic, thermoelectric, and optoelectronic applications where tunable bandgap and ionic transport are valuable. As an experimental compound, it represents ongoing work in low-dimensional semiconductor engineering and materials exploration for next-generation energy conversion devices, though practical engineering adoption remains limited pending demonstration of scalable synthesis, stability, and performance advantages over established alternatives.

experimental photovoltaic researchthermoelectric device developmentoptoelectronic semiconductors
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Cu6 I6

semiconductorCu6 I6

Cu₆I₆ is an inorganic semiconductor compound composed of copper and iodine, belonging to the halide perovskite family of materials. This is primarily a research-phase material being investigated for optoelectronic and photovoltaic applications, offering potential advantages such as tunable bandgap, solution processability, and lower toxicity compared to lead-based halide perovskites. Interest in copper halides stems from their stability and abundance relative to conventional perovskites, making them candidates for next-generation solar cells, light-emitting devices, and photodetectors, though practical device performance and commercial viability remain under development.

perovskite solar cellsphotodetectorslight-emitting devices
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Cu6 O1 F11

semiconductorCu6 O1 F11

Cu₆OF₁₁ is an experimental mixed-valence copper oxide fluoride compound belonging to the class of layered metal halide semiconductors. This material is primarily of research interest in solid-state chemistry and materials science, where it is being investigated for its potential electronic and optical properties arising from its unusual copper coordination environment and mixed-anion framework. Its development represents early-stage exploration within the broader family of copper-based semiconductors and halide perovskite derivatives, with potential applications emerging in emerging electronic and photonic devices, though industrial deployment remains limited.

experimental semiconductorssolid-state electronic researchoptical materials development
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Cu6 O2 F10

semiconductorCu6 O2 F10

Cu₆O₂F₁₀ is a mixed-valence copper oxide fluoride compound with semiconductor characteristics, belonging to the family of metal oxyfluorides. This is primarily a research material rather than an established industrial compound; it represents exploration of layered copper oxide systems modified by fluorine incorporation, which can create novel electronic and ionic transport properties. Such materials are of interest in solid-state chemistry for potential applications in ion conductors, catalysis, and emerging electronic devices, though practical engineering deployment remains limited to specialized research contexts.

solid-state electrochemistry researchionic conductor developmentfluoride-based compound research
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Cu6 P2

semiconductorCu6 P2

Cu₆P₂ is a copper phosphide intermetallic compound that belongs to the family of metal phosphides, which are gaining attention as functional materials in catalysis, electronics, and energy storage applications. This compound is primarily explored in research contexts for electrocatalytic applications (particularly hydrogen evolution and oxygen reduction reactions) and as a potential semiconductor material, where its mixed-valence copper and phosphorus bonding offers tunable electronic properties compared to pure copper or phosphorus-based alternatives. Engineers considering Cu₆P₂ would typically be working on advanced catalytic systems or next-generation energy conversion devices where the unique electronic structure of metal phosphides provides advantages over conventional catalysts or semiconductors.

electrocatalysts for water splittinghydrogen evolution reaction (HER)energy storage and conversion
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Cu6 P2 S8

semiconductorCu6 P2 S8

Cu₆P₂S₈ is a mixed-metal phosphide-sulfide semiconductor compound combining copper with phosphorus and sulfur elements. This material belongs to the family of metal chalcogenides and is primarily of research interest for photovoltaic and thermoelectric applications, where its layered crystal structure and band gap properties offer potential advantages in energy conversion devices.

photovoltaic cellsthermoelectric devicesoptoelectronic semiconductors
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Cu6 P2 Se8

semiconductorCu6 P2 Se8

Cu₆P₂Se₈ is a quaternary semiconductor compound belonging to the family of metal chalcogenides, specifically a copper phosphorus selenide. This material is primarily explored in research contexts for optoelectronic and photovoltaic applications due to its semiconducting properties and potential for tunable band gaps. While not yet widely deployed in high-volume industrial applications, compounds in this material class are of significant interest for next-generation thin-film solar cells, photodetectors, and other light-responsive devices where alternatives like CdTe or CIGS suffer from toxicity, cost, or scalability constraints.

experimental photovoltaicsthin-film solar cellsphotodetectors
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Cu6 S6

semiconductorCu6 S6

Cu6S6 is a copper sulfide semiconductor compound with a layered crystal structure, representing a member of the copper chalcogenide family that has attracted research interest for optoelectronic and photocatalytic applications. This material exists primarily in academic and developmental contexts rather than established commercial production, with potential value in photovoltaic devices, photodetectors, and catalytic systems due to its tunable bandgap and mixed-valence copper chemistry. Cu6S6 and related copper sulfides offer advantages over conventional semiconductors in cost and earth-abundance, though processing and stability challenges remain active areas of investigation.

photovoltaic research devicesphotodetectors and sensorsphotocatalysis and water treatment
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Cu6 Sb2 S8

semiconductorCu6 Sb2 S8

Cu₆Sb₂S₈ is a ternary sulfide semiconductor compound composed of copper, antimony, and sulfur elements. This material belongs to the family of metal chalcogenides and is primarily studied in research contexts for potential thermoelectric and photovoltaic applications, where its electronic and thermal properties could enable energy conversion or light absorption devices.

thermoelectric energy conversionphotovoltaic absorber layersresearch semiconductors
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Cu6 Sb8 Nd6

semiconductorCu6 Sb8 Nd6

Cu₆Sb₈Nd₆ is an intermetallic semiconductor compound combining copper, antimony, and neodymium—a rare-earth-containing material belonging to the family of complex ternary semiconductors. This is a research-phase material rather than a widely commercialized product; compounds in this chemical family are of interest for their potential thermoelectric properties and unusual electronic band structures arising from rare-earth doping. Engineers investigating advanced energy conversion or niche electronic applications would consider such materials primarily within academic or exploratory development programs rather than established production environments.

thermoelectric energy conversion (research)rare-earth semiconductorsexperimental solid-state devices
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Cu6 Se4

semiconductorCu6 Se4

Cu₆Se₄ is a mixed-valence copper selenide semiconductor compound belonging to the family of chalcogenide semiconductors. This material is primarily of research and development interest rather than established commercial production, with potential applications in optoelectronic and thermoelectric devices where its semiconducting properties and layered crystal structure could offer advantages in energy conversion or light-emitting applications. The copper selenide family is notable for tunable band gaps and ionic conductivity, making it a candidate for next-generation photovoltaic absorbers and solid-state ionic devices, though most commercial deployment remains limited compared to more mature semiconductor systems.

thermoelectric devicesphotovoltaic researchoptoelectronic applications
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Cu6 Se6

semiconductorCu6 Se6

Cu₆Se₆ is a layered semiconductor compound composed of copper and selenium in a 1:1 stoichiometric ratio, belonging to the family of metal chalcogenides with quasi-2D crystal structure. This material is primarily of research and developmental interest for next-generation optoelectronic and thermoelectric applications, where its layered structure and tunable electronic properties offer potential advantages over conventional bulk semiconductors in photovoltaics, photodetectors, and solid-state energy conversion devices.

thin-film photovoltaicsphotodetectors and imagingthermoelectric devices
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Cu6 Sn2

semiconductorCu6 Sn2

Cu6Sn2 is an intermetallic compound from the copper-tin system, representing a specific stoichiometric phase that forms in copper-tin alloys and solders. This phase is significant in electronics packaging and solder metallurgy, where it appears as a reaction product at copper-solder interfaces; it is particularly relevant in lead-free solder systems where tin-based compositions interact with copper substrates and components. Engineers encounter this phase in reliability assessments of solder joints, as its formation and growth can influence mechanical strength, thermal cycling resistance, and long-term joint integrity in demanding applications.

electronics solder jointslead-free solder systemscopper-substrate interfaces
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Cu8 Br8

semiconductorCu8 Br8

Cu8Br8 is a copper-bromine coordination compound or halide-based semiconductor material, representing an emerging class of hybrid organic-inorganic or purely inorganic semiconductors under active research. This composition falls within the family of metal halide semiconductors being investigated for optoelectronic and photonic applications, where tunable bandgap, solution processability, or novel electronic properties offer advantages over conventional silicon or III-V semiconductors. Cu8Br8 and related copper halides are particularly notable in research contexts for potential use in low-cost, flexible, or solution-deposited devices where material stability and synthesis scalability remain key development challenges.

research semiconductoroptoelectronic devicesphotovoltaic materials (experimental)
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Cu8 Cl8

semiconductorCu8 Cl8

Cu8Cl8 is a copper-chlorine coordination compound classified as a semiconductor, likely representing a discrete or polymeric cluster structure with potential applications in materials research. This compound belongs to the family of metal-halide semiconductors, which are of significant research interest for optoelectronic and photovoltaic applications due to their tunable band gaps and structural flexibility. While not yet established as a production material, Cu8Cl8 and related copper halide systems are being investigated for next-generation light-emitting devices, photocatalysts, and solid-state electronics where earth-abundant, non-toxic alternatives to conventional semiconductors are desired.

experimental optoelectronicsphotocatalysis researchlight-emitting devices
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Cu8 O1

semiconductorCu8 O1

Cu8O1 is a copper oxide semiconductor compound with a high copper-to-oxygen ratio, representing a mixed-valence or nonstoichiometric oxide in the copper-oxygen system. This material falls within research-phase development for electronic and photonic applications, as such copper-rich oxides are primarily explored in academic and advanced materials contexts rather than established commercial production. Cu8O1 and related copper oxide phases are of interest for their potential in photoelectrochemical devices, transparent conductors, and solid-state electronic components, though practical engineering adoption remains limited compared to well-established alternatives like Cu2O or CuO.

Experimental semiconductorsPhotoelectrochemical cellsTransparent conductor research
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Cu8 O7

semiconductorCu8 O7

Cu₈O₇ is a mixed-valence copper oxide semiconductor compound belonging to the family of non-stoichiometric cuprous/cupric oxides. It represents a research-phase material of interest in semiconductor and materials science, occupying a compositional space between Cu₂O and CuO with potential relevance to solid-state device applications and catalytic systems.

semiconductor researchcopper oxide thin filmscatalytic materials
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Cu8 Se4

semiconductorCu8 Se4

Cu8Se4 is a copper selenide compound semiconductor, representing a mixed-valence copper chalcogenide material with potential applications in solid-state electronics and photovoltaics. This is primarily a research and development material rather than an established commercial product; copper selenides are studied for their semiconductor properties, variable bandgap characteristics, and potential in next-generation thin-film devices. Engineers and researchers investigate Cu8Se4 and related copper selenide phases for their tunable electronic properties and cost-effective alternatives to conventional semiconductors, though scalable manufacturing routes and long-term stability remain active development areas.

photovoltaic devicesthin-film semiconductorsthermoelectric materials research
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CuAcO3

semiconductor

CuAcO3 is a copper-based semiconductor compound combining copper, acetate, and oxide phases; it represents an experimental or emerging material within the copper oxide semiconductor family rather than an established commercial product. Research interest in this composition focuses on potential applications in photocatalysis, optoelectronics, and electrochemical devices, where copper oxides offer advantages in cost and earth-abundance compared to conventional semiconductors. The specific acetate-oxide hybrid structure may enable tuning of bandgap and defect chemistry for targeted applications, though industrial adoption remains limited pending further development and characterization.

photocatalytic applicationsexperimental optoelectronicscopper oxide semiconductors
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CuAlS2

semiconductor

CuAlS₂ is a ternary semiconductor compound combining copper, aluminum, and sulfur in a chalcopyrite-like crystal structure. This material is primarily of research interest for optoelectronic and photovoltaic applications, where its direct bandgap and tunable optical properties make it attractive for light emission and energy conversion devices. While not yet commercialized at scale, CuAlS₂ belongs to the broader family of I-III-VI semiconductors that show promise as alternatives to conventional III-V compounds in specialized applications requiring cost-effectiveness or unique bandgap engineering.

photovoltaic researchoptoelectronic deviceslight-emitting semiconductors
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CuAlSe2

semiconductor

CuAlSe2 is a ternary chalcopyrite semiconductor compound composed of copper, aluminum, and selenium, belonging to the I-III-VI₂ family of semiconductors. It is primarily investigated in photovoltaic research and optoelectronic device development, particularly as a potential absorber layer for thin-film solar cells and as an alternative to more common chalcopyrite materials like CuInSe2; its appeal lies in the use of aluminum (more abundant than indium) and its adjustable bandgap, though commercial adoption remains limited compared to mature thin-film technologies.

thin-film photovoltaicssolar cell absorber layersoptoelectronic research
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CuAlTe2

semiconductor

CuAlTe2 is a ternary semiconductor compound composed of copper, aluminum, and tellurium, belonging to the I-III-VI2 chalcopyrite family of materials. This compound is primarily of research and development interest for optoelectronic and photovoltaic applications, where its direct bandgap and crystal structure offer potential advantages in light emission, detection, and energy conversion devices. CuAlTe2 represents an experimental alternative within the broader copper-based chalcopyrite semiconductor family, investigated for specialized niche applications where conventional binary or other ternary semiconductors (such as CdTe or CIGS) may have limitations in performance or environmental suitability.

optoelectronic devicesphotovoltaic researchinfrared detectors
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CuBiP2Se6

semiconductor

CuBiP2Se6 is a ternary chalcogenide semiconductor compound combining copper, bismuth, phosphorus, and selenium—a layered material system under active research for next-generation optoelectronic and thermoelectric applications. This compound belongs to the family of van der Waals materials with potential for exfoliation into few-layer or monolayer forms, positioning it as a candidate for 2D device engineering where tunable electronic properties and layer-dependent optical response are valuable. While primarily in the research phase, materials in this composition space show promise in niche applications where conventional semiconductors like Si or GaAs are either too rigid, too opaque, or lack sufficient tunability for emerging technologies in photonics and energy conversion.

2D materials and van der Waals heterostructuresOptoelectronic devices and photodetectorsThermoelectric energy conversion
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CuBiPbS3

semiconductor

CuBiPbS3 is a quaternary sulfide semiconductor compound combining copper, bismuth, lead, and sulfur. This material belongs to the family of complex metal sulfides and is primarily of research interest for thermoelectric and photovoltaic applications, where its layered crystal structure and narrow bandgap may enable energy conversion at lower cost than conventional semiconductors. While not yet established in high-volume industrial production, compounds in this material family are being investigated as alternatives to lead telluride and bismuth telluride for waste-heat recovery and solid-state cooling systems.

thermoelectric devicesphotovoltaic researchwaste heat recovery
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CuBiPbSe3

semiconductor

CuBiPbSe3 is a quaternary semiconductor compound combining copper, bismuth, lead, and selenium—a member of the chalcogenide semiconductor family with potential thermoelectric properties. This is primarily a research material rather than an established commercial product, studied for its potential in thermoelectric energy conversion and solid-state cooling applications where the combination of heavy elements and layered crystal structure may enable efficient heat-to-electricity conversion or vice versa. Engineers considering this material should recognize it as an exploratory compound whose performance advantages over established thermoelectrics (bismuth telluride, skutterudites) remain under investigation.

thermoelectric energy harvestingwaste heat recoverysolid-state cooling devices
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CuBi(PSe3)2

semiconductor

CuBi(PSe₃)₂ is a ternary semiconducting compound combining copper, bismuth, and phosphorus selenide units in a layered crystal structure. This is a research-stage material currently studied for its potential in optoelectronics and thermoelectric applications, offering tunable bandgap and anisotropic transport properties characteristic of layered chalcogenide semiconductors. The material belongs to an emerging class of mixed-metal phosphorus chalcogenides being investigated as alternatives to conventional semiconductors in niche high-temperature or radiation-tolerant device contexts.

thermoelectric energy conversionoptoelectronic devices (research)layered semiconductor research
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CuBiSeO

semiconductor

CuBiSeO is an experimental quaternary semiconductor compound combining copper, bismuth, selenium, and oxygen elements. This material belongs to the class of mixed-valence oxide semiconductors being investigated for optoelectronic and photovoltaic applications, where the layered bismuth-chalcogenide framework offers tunable bandgaps and potential for efficient charge transport. Research interest in CuBiSeO-family compounds centers on next-generation solar cells, photodetectors, and thermoelectric devices where the combination of earth-abundant elements and structural flexibility provides advantages over conventional III-V semiconductors or lead-based perovskites.

photovoltaic researchphotodetector materialsthermoelectric devices
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CuBiSO

semiconductor

CuBiSO is a quaternary semiconductor compound combining copper, bismuth, sulfur, and oxygen elements, representing an emerging material in the chalcogenide semiconductor family. This material is primarily of research and developmental interest for optoelectronic and photovoltaic applications, where its layered structure and tunable bandgap could offer advantages in light absorption and charge transport compared to conventional single-element or binary semiconductors. Engineers evaluating CuBiSO would do so in experimental contexts targeting next-generation solar cells, photodetectors, or thin-film electronics where ternary and quaternary compounds are being explored to improve efficiency and material stability.

emerging photovoltaic materialsresearch optoelectronicsthin-film semiconductors
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CuBr

semiconductor

Copper(I) bromide (CuBr) is a binary semiconductor compound with zinc blende crystal structure, combining copper and bromine in a 1:1 stoichiometric ratio. Historically used in photography and as a catalyst in organic synthesis, CuBr has attracted renewed interest in optoelectronics and thin-film device research due to its direct bandgap and potential for cost-effective semiconductor applications. Its relatively low thermal conductivity and layered exfoliation energy suggest potential for 2D material derivatives and heterostructure engineering, though it remains primarily a research material rather than a high-volume industrial semiconductor.

optoelectronic researchthin-film semiconductorsphotocatalysis
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CuBS2

semiconductor

CuBS₂ is a copper-based ternary semiconductor compound combining copper, boron, and sulfur elements. This material belongs to the family of chalcogenide semiconductors and remains primarily in research and development phase, with potential applications in photovoltaic devices, photodetectors, and optoelectronic systems where earth-abundant alternatives to conventional semiconductors are sought. Its notable advantage lies in using relatively accessible elements compared to rare-earth or cadmium-based semiconductors, making it attractive for cost-sensitive and sustainable technology platforms, though commercial deployment remains limited pending further optimization of synthesis and device integration methods.

thin-film photovoltaicsphotodetectorsoptoelectronic devices
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CuCd2InTe4

semiconductor

CuCd₂InTe₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining copper, cadmium, indium, and tellurium in a tetragonal or related crystal structure. This material is primarily of research and development interest rather than established production use, investigated for its potential in infrared detection, photovoltaic conversion, and radiation detection applications where its bandgap and charge transport properties offer advantages in specific wavelength ranges. The compound represents an exploration of multi-element semiconductors that could enable tunable optical and electronic properties beyond binary or ternary alternatives, though development remains largely in laboratory settings.

infrared detectorsresearch semiconductorsradiation detection
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CuCdInSe3

semiconductor

CuCdInSe₃ is a quaternary semiconductor compound combining copper, cadmium, indium, and selenium in a chalcopyrite or related crystal structure. This material is primarily of research and developmental interest for photovoltaic and optoelectronic applications, where its tunable bandgap and direct transition properties make it attractive for solar cells and photodetectors that operate across visible and near-infrared wavelengths.

thin-film photovoltaicssolar cellsphotodetectors
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CuCeO3

semiconductor

CuCeO3 is a mixed-metal oxide semiconductor compound combining copper and cerium oxides, belonging to the perovskite or related oxide family. This material is primarily investigated in research settings for photocatalytic and electrochemical applications, where the synergistic properties of copper and cerium oxides offer potential advantages in catalytic activity and redox cycling compared to single-component oxide systems. Engineers and researchers consider CuCeO3 for applications requiring enhanced catalytic performance or semiconductor behavior, particularly where the dual metal-oxide chemistry can provide superior light absorption or charge separation characteristics.

photocatalytic water treatmentenvironmental remediation catalysisgas sensing devices
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CuCl

semiconductor

Copper(I) chloride (CuCl) is a semiconductor compound featuring a cuprous cation paired with chloride, positioned in the broader family of III-V and I-VII semiconductors used in optoelectronic applications. Historically employed in photomultiplier tubes, X-ray detection, and as a catalyst in organic synthesis, CuCl remains relevant in research contexts for UV-visible light emission and detection due to its direct bandgap character. Although less common than silicon or gallium arsenide in mainstream semiconductor manufacturing, CuCl offers potential advantages in niche applications where copper's optical properties and chloride's stability can be leveraged, particularly in photonics research and emerging thin-film device architectures.

photodetectors and UV sensorsphotomultiplier tube componentsX-ray scintillation
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CuDyO3

semiconductor

CuDyO3 is a copper-dysprosium oxide ceramic compound belonging to the rare-earth oxide semiconductor family. This material is primarily of research and development interest rather than established commercial use, investigated for its potential in optoelectronic devices, magnetic applications, and advanced ceramics where the combination of copper and dysprosium oxides may offer unique electromagnetic or photonic properties. Engineers considering this compound should note it remains largely experimental; its selection would be driven by specific functional requirements in emerging technologies rather than mature industrial applications.

research semiconductorsrare-earth oxide ceramicsmagnetic materials development
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CuFeS2

semiconductor

CuFeS₂ (chalcopyrite) is a naturally occurring copper-iron sulfide mineral and the primary ore of copper, composed of copper, iron, and sulfur in a fixed stoichiometric ratio. It is industrially significant as the dominant source material for copper extraction via flotation and pyrometallurgical processing, and is increasingly studied as a semiconductor material for photovoltaic and thermoelectric applications due to its direct bandgap and earth-abundant composition. Engineers select CuFeS₂-based materials over synthetic alternatives when cost-effectiveness and large-scale availability are critical, or in emerging research contexts where high-performance semiconductors must be manufactured from abundant elements rather than scarce materials like cadmium or gallium.

copper ore processingpyrometallurgical extractionphotovoltaic research
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CuFeSe2

semiconductor

CuFeSe₂ is a ternary chalcogenide semiconductor compound combining copper, iron, and selenium in a fixed stoichiometric ratio. This material belongs to the family of earth-abundant semiconductor absorbers and is primarily studied for photovoltaic and thermoelectric applications as a lower-cost, less-toxic alternative to cadmium telluride and other rare-element semiconductors. CuFeSe₂ remains largely in the research and development phase, with interest driven by its direct bandgap suitable for light absorption and the abundance of its constituent elements, though commercial deployment faces challenges related to phase stability and defect management compared to established thin-film solar technologies.

thin-film solar cellsphotovoltaic absorber layersthermoelectric devices
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CuFeTe2

semiconductor

CuFeTe2 is a ternary chalcogenide semiconductor compound combining copper, iron, and tellurium in a layered crystal structure. This material is primarily of research and developmental interest rather than established in high-volume manufacturing, with potential applications in thermoelectric energy conversion, photovoltaic devices, and optoelectronic systems where its narrow bandgap and mixed-valence metallic character may offer advantages over binary tellurides. Engineers considering CuFeTe2 should recognize it as an exploratory material within the broader family of copper-based chalcogenides, useful for projects prioritizing novel thermal-to-electrical conversion or next-generation semiconductor prototyping rather than proven commercial solutions.

thermoelectric generatorsphotovoltaic researchoptoelectronic devices
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CuGa0.4In1.6S3.5

semiconductor

CuGa₀.₄In₁.₆S₃.₅ is a quaternary chalcogenide semiconductor compound combining copper, gallium, indium, and sulfur in a mixed-cation structure. This is a research-stage material being investigated for photovoltaic and optoelectronic applications, where tuning the gallium-to-indium ratio offers a path to engineer the bandgap and improve light absorption or emission characteristics compared to binary or ternary alternatives. The compound belongs to a family of earth-abundant, non-toxic absorber materials pursued as potential successors to cadmium-based and lead-based semiconductors in thin-film solar cells and light-emitting devices.

thin-film photovoltaicsbandgap engineeringoptoelectronic devices
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CuGa1.6In0.4S3.5

semiconductor

CuGa1.6In0.4S3.5 is a quaternary semiconductor compound belonging to the I-III-VI family of chalcogenides, combining copper with gallium, indium, and sulfur in a carefully tuned stoichiometry. This is primarily a research and development material rather than an established commercial product, investigated for photovoltaic and optoelectronic applications where tunable bandgap and direct band structure are advantageous. The mixed gallium-indium composition allows bandgap engineering for light absorption in solar cells and photodetectors, offering a potential alternative to binary or ternary semiconductors when specific optical or electrical properties are required for next-generation thin-film devices.

thin-film photovoltaicssemiconductor researchbandgap engineering
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CuGa2S3.5

semiconductor

CuGa₂S₃.₅ is a copper-gallium sulfide semiconductor compound belonging to the I-III-VI₂ family of ternary chalcogenides. This material is primarily of research interest for photovoltaic and optoelectronic applications, where the tunable band gap and potential for thin-film solar cell architectures make it an alternative to conventional CIGS (copper indium gallium selenide) absorbers. The sulfide composition offers potential advantages in processing temperature and material abundance compared to selenide-based counterparts, though the material remains largely in development stages rather than established industrial production.

photovoltaic absorber layerthin-film solar cellsoptoelectronic research
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CuGa2Se4

semiconductor

CuGa₂Se₄ is a quaternary semiconductor compound belonging to the chalcopyrite family, composed of copper, gallium, and selenium. It is primarily investigated in photovoltaic and optoelectronic research contexts rather than established industrial production, with potential applications in thin-film solar cells and photodetectors where its bandgap and absorption characteristics could offer advantages over more common alternatives like CdTe or CIGS absorber layers.

thin-film photovoltaicssolar cells (research)photodetectors
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CuGa3Se5

semiconductor

CuGa₃Se₅ is a ternary compound semiconductor belonging to the chalcopyrite family, composed of copper, gallium, and selenium. It is primarily of research interest for optoelectronic and photovoltaic applications, where its direct bandgap and optical absorption characteristics make it a candidate material for solar cells, photodetectors, and infrared sensing devices. While not yet widely deployed in commercial products, this material family represents an alternative to more conventional III-V and I-III-VI₂ semiconductors, offering potential advantages in cost or performance for specific wavelength ranges, though development remains largely in the experimental and laboratory phase.

photovoltaic researchphotodetector developmentinfrared sensing
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CuGa3Te5

semiconductor

CuGa3Te5 is a ternary semiconductor compound combining copper, gallium, and tellurium in a 1:3:5 stoichiometry, belonging to the family of I-III-VI2 semiconductors with potential chalcogenide-based applications. This material is primarily investigated in research contexts for optoelectronic and photovoltaic devices, particularly where tunable bandgap and direct band structure are advantageous over conventional binary semiconductors like CdTe or GaAs. The compound remains largely experimental but represents exploration into complex chalcogenide systems for infrared detection, thin-film solar cells, and nonlinear optical applications where copper-containing ternary semiconductors offer alternatives to more toxic or less efficient single-element systems.

photovoltaic researchinfrared detectorsthin-film solar cells
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CuGaGeSe4

semiconductor

CuGaGeSe4 is a quaternary semiconductor compound belonging to the I-III-IV-VI family of chalcogenides, combining copper, gallium, germanium, and selenium in a crystalline structure. This material is primarily investigated in research contexts for optoelectronic and photovoltaic applications, particularly as an absorber layer candidate in thin-film solar cells and infrared detection systems. Compared to more established binary and ternary semiconductors (like CdTe or CIGS), quaternary chalcogenides like CuGaGeSe4 offer tunable bandgap and potentially improved material stability, though industrial adoption remains limited and the material is not yet commercially prevalent.

thin-film solar cellsinfrared photodetectorsoptoelectronic device research
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CuGaInS3.5

semiconductor

CuGaInS3.5 is a quaternary chalcogenide semiconductor compound combining copper, gallium, indium, and sulfur in a 1:1:1:2.5 stoichiometry. This material belongs to the family of I-III-VI₂ semiconductors and is primarily studied in research contexts for photovoltaic and optoelectronic applications, where it offers tunable bandgap and potential for thin-film solar cell architectures as an alternative or complement to more established compounds like CIGS (copper indium gallium selenide).

thin-film solar cellsphotovoltaic absorber layersoptoelectronic devices
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CuGaO2

semiconductor

CuGaO2 is a ternary oxide semiconductor compound combining copper, gallium, and oxygen, belonging to the delafossite oxide family of materials. This is primarily a research and development material explored for transparent conducting oxide (TCO) applications and emerging optoelectronic devices, as it potentially offers an alternative to traditional indium tin oxide (ITO) with different electronic and optical characteristics. The material is notable in academic and advanced technology contexts for its potential in next-generation display technologies, photovoltaic windows, and other applications requiring both electrical conductivity and optical transparency, though it remains largely in the experimental phase compared to commercialized semiconductor options.

transparent conducting oxidesresearch optoelectronicsphotovoltaic applications
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CuGaS2

semiconductor

CuGaS₂ is a ternary chalcogenide semiconductor compound combining copper, gallium, and sulfur in a tetragonal crystal structure. It is primarily investigated in photovoltaic research and photoelectrochemical applications due to its direct bandgap and tunable optoelectronic properties, offering potential advantages over binary alternatives like CdS or CuInS₂ in thin-film solar cells and light absorption devices. While not yet commercialized at scale, CuGaS₂ represents a promising material in the broader family of I-III-VI semiconductors for next-generation absorber or window layers in heterojunction devices and environmental sensing.

thin-film photovoltaicsphotoelectrochemical cellsoptoelectronic research
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CuGaSe2

semiconductor

CuGaSe2 is a ternary semiconductor compound belonging to the I-III-VI2 chalcopyrite family, combining copper, gallium, and selenium in a crystalline structure. This material is primarily investigated for photovoltaic and optoelectronic applications, particularly as an absorber layer in thin-film solar cells and photodetectors, where its direct bandgap and strong light absorption make it a promising alternative to cadmium-based compounds. While still largely in the research and development phase rather than high-volume production, CuGaSe2 is notable for its potential to offer improved environmental sustainability and radiation hardness compared to conventional CdTe or CIGS photovoltaic materials.

thin-film solar cellsphotodetectorsinfrared optoelectronics
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CuGaTe2

semiconductor

CuGaTe2 is a ternary chalcogenide semiconductor compound composed of copper, gallium, and tellurium. This material belongs to the family of I–III–VI semiconductors and is primarily of research interest for optoelectronic and photovoltaic applications, where its direct bandgap and crystal structure make it a candidate for light emission, detection, and energy conversion devices. While not yet widely commercialized like binary semiconductors (GaAs, CdTe), CuGaTe2 represents an emerging class of materials being investigated for next-generation solar cells, infrared detectors, and nonlinear optical devices.

photovoltaic researchinfrared detectorsoptoelectronic devices
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