MatWorld
BETA
DashboardMaterials & SearchMaterial SelectorCompareExportsPricing

Browse Materials

10,375 materials

Plot 10,375 on Selector
AllMetalsPolymersCeramicsCompositesSemiconductorsShape Memory
AllMeasuredPublishedVerified

Bi25TiO39

semiconductor

Bi25TiO39 is a bismuth titanate ceramic compound belonging to the family of complex oxide semiconductors, characterized by a high bismuth content and layered perovskite-related crystal structure. This material is primarily investigated in research contexts for photocatalytic applications, particularly visible-light-driven degradation of pollutants and hydrogen generation, as well as for ferroelectric and piezoelectric device applications where its mixed-valence bismuth and titanium chemistry provides useful electronic and polarization properties. Engineers consider bismuth titanates as alternatives to conventional wide-bandgap semiconductors (like TiO₂) when visible-light response and processability into functional coatings or ceramics are required, though the material remains largely in the development phase rather than high-volume industrial production.

photocatalytic water treatmentvisible-light photocatalystsferroelectric ceramics
✓RoHS✓REACH✓Prop 65

Bi2AsClO4

semiconductor

Bi₂AsClO₄ is a mixed-valence bismuth arsenate chloride compound belonging to the family of layered oxyhalide semiconductors. This is a research-phase material studied primarily for its potential in photocatalysis and optoelectronic applications, where its layered structure and bandgap engineering opportunities make it a candidate for visible-light-driven processes and solid-state devices.

photocatalytic water treatmentvisible-light photocatalysisoptoelectronic device research
✓RoHS✓REACH✓Prop 65

Bi2AsO4Cl

semiconductor

Bi2AsO4Cl is a mixed-valent bismuth arsenate chloride compound belonging to the layered oxyhalide semiconductor family. This is primarily a research material investigated for its electronic and photocatalytic properties rather than an established industrial commodity. The compound is of interest in materials science for photocatalysis applications, potential optoelectronic devices, and fundamental studies of bismuth-based semiconductors, where its layered structure and mixed anionic composition may offer advantages in charge separation and light absorption compared to simpler oxide or halide alternatives.

photocatalytic water treatmentvisible-light photocatalysisresearch semiconductors
✓RoHS✓REACH✓Prop 65

Bi2B3O9

ceramic

Bi2B3O9 is an inorganic oxide ceramic compound containing bismuth and boron, belonging to the family of bismuth borate ceramics. This material is primarily investigated in research contexts for applications requiring high thermal stability, optical transparency, or specialized dielectric properties, with potential use in glass-ceramics, photonic devices, or functional coatings where bismuth's heavy-metal oxide characteristics provide unique refractive and electronic behavior.

optical glass-ceramicsdielectric coatingsphotonic applications
✓RoHS✓REACH✓Prop 65

Bi2(BO3)3

ceramic

Bismuth borate (Bi2(BO3)3) is an inorganic ceramic compound combining bismuth oxide with boric oxide in a 1:1.5 molar ratio. This material belongs to the family of heavy-metal borates and is primarily explored in research contexts for optical, thermal, and structural applications where bismuth-containing ceramics offer unique properties such as high refractive index, thermal stability, and potential photocatalytic activity. It is not widely deployed in mainstream industrial production but shows promise in advanced ceramics, materials science research, and specialized applications requiring bismuth's distinctive electronic or optical characteristics.

optical coatings and glazesphotocatalytic materials researchhigh-temperature ceramics
✓RoHS✓REACH✓Prop 65

Bi2CO5

semiconductor

Bi2CO5 is a bismuth-based oxide compound classified as a semiconductor, belonging to the family of bismuth carbonates and mixed-valence bismuth oxides. This material is primarily investigated in research and development contexts for photocatalytic applications and energy conversion devices, where its semiconductor bandgap properties can be leveraged for environmental remediation or light-driven chemical processes. While not yet widely deployed in mainstream industrial production, bismuth oxide semiconductors like Bi2CO5 are notable alternatives to more toxic or scarce photocatalytic materials, offering potential advantages in water treatment, air purification, and solar energy applications.

photocatalytic water treatmentenvironmental remediationsolar energy conversion
✓RoHS✓REACH✓Prop 65

Bi2CrI2O11

semiconductor

Bi2CrI2O11 is a mixed-valence bismuth chromium iodide oxide semiconductor, combining elements from the bismuth halide and chromium oxide families. This is a research-stage compound of interest in photovoltaic and optoelectronic applications, where the layered structure and bandgap tuning via halide substitution offer potential advantages for light absorption and charge transport; it belongs to an emerging class of halide perovskite alternatives and related semiconductors being explored as more stable or less toxic counterparts to lead-based devices.

perovskite solar cellsoptoelectronic absorbersphotocatalysis
✓RoHS✓REACH✓Prop 65

Bi2Cu0.96Se3I

semiconductor

Bi₂Cu₀.₉₆Se₃I is a layered mixed-halide bismuth chalcogenide semiconductor, combining bismuth selenide with iodine doping and copper substitution to engineer electronic and transport properties. This is a research-phase compound under investigation for topological properties and thermoelectric applications, where the layered structure and controlled doping offer potential advantages in carrier mobility and thermal-to-electrical conversion efficiency compared to conventional bulk thermoelectrics.

thermoelectric power generationtopological materials researchsolid-state cooling devices
✓RoHS✓REACH✓Prop 65

Bi2I4O13

semiconductor

Bi₂I₄O₁₃ is a bismuth iodide oxide semiconductor compound, belonging to the family of mixed-halide perovskites and bismuth-based semiconductors that have emerged as research materials for optoelectronic applications. This material is primarily of academic and developmental interest rather than established in high-volume industrial production, with potential applications in photovoltaics, radiation detection, and photoelectrochemical devices where bismuth compounds offer advantages including lower toxicity and greater stability compared to lead-based alternatives. Engineers considering this material should recognize it as an experimental compound under investigation for next-generation semiconductor technologies, particularly where environmental or regulatory constraints limit the use of conventional lead halides.

photovoltaic researchradiation detectionoptoelectronic devices
✓RoHS✓REACH✓Prop 65

Bi2Mo2Se2O13

semiconductor

Bi2Mo2Se2O13 is a mixed-valent bismuth molybdenum selenate oxide, a layered semiconductor compound belonging to the class of complex metal oxides with potential photocatalytic and electronic applications. This is a research-phase material primarily studied in academic and industrial labs for photocatalysis, water treatment, and optoelectronic device applications, where its layered structure and band gap engineering potential make it an alternative to conventional semiconductors like TiO2 or WO3 for visible-light-driven processes.

photocatalysis & water purificationenvironmental remediationoptoelectronic devices
✓RoHS✓REACH✓Prop 65

Bi2Mo3O12

semiconductor

Bi₂Mo₃O₁₂ is a mixed metal oxide semiconductor compound combining bismuth and molybdenum elements in a layered crystal structure. This material is primarily investigated in research contexts for photocatalytic and electrochemical applications, particularly where visible-light activation and ion-transport properties are desirable; it belongs to the broader family of complex transition metal oxides used to develop alternatives to conventional catalysts and energy-storage materials.

photocatalytic water treatmentvisible-light photocatalysiselectrochemical sensors
✓RoHS✓REACH✓Prop 65

Bi2(MoO4)3

semiconductor

Bismuth molybdate (Bi₂(MoO₄)₃) is an inorganic semiconductor compound combining bismuth and molybdenum oxide phases, typically studied as a polycrystalline ceramic material. It is primarily investigated in photocatalytic and electrochemical applications, particularly for water purification, pollutant degradation under visible light, and gas sensing due to its narrow bandgap and moderate charge-carrier mobility. While not yet widely deployed in high-volume industrial production, this material family offers promise as an alternative to titanium dioxide photocatalysts for applications where visible-light activity and cost-effectiveness are priorities.

photocatalytic water treatmentvisible-light photocatalysisenvironmental remediation
✓RoHS✓REACH✓Prop 65

Bi2O2CO3

semiconductor

Bi2O2CO3 is a bismuth oxide carbonate semiconductor compound composed of bismuth, oxygen, and carbonate groups. It is primarily investigated in photocatalysis and environmental remediation research, where it shows promise for water purification and pollutant degradation under visible light. This layered bismuth compound is notable for its relatively low bandgap compared to many traditional oxide semiconductors, making it attractive as an alternative to titanium dioxide (TiO2) for photocatalytic applications where visible-light activity is critical.

photocatalytic water treatmentenvironmental remediationvisible-light photocatalysis
✓RoHS✓REACH✓Prop 65

Bi2O3

semiconductor

Bismuth oxide (Bi₂O₃) is a semiconducting ceramic compound widely employed in optoelectronic and photocatalytic applications, particularly in visible-light-responsive systems where its narrow bandgap makes it suitable for light absorption and charge generation. In industry, it serves as a key material in photocatalysts for water purification and pollutant degradation, in optical coatings, and as a dopant or active phase in advanced ceramics and thin-film devices. Engineers select Bi₂O₃ over traditional wide-bandgap semiconductors when visible-light sensitivity and relatively high density are advantageous, though its stability and performance typically benefit from structural modification or composite integration to enhance photocatalytic efficiency and reduce recombination losses.

photocatalysis and water treatmentvisible-light optoelectronicsthin-film semiconductors
✓RoHS✓REACH✓Prop 65

Bi2O5

ceramic

Bi₂O₅ is a bismuth oxide ceramic compound belonging to the family of heavy metal oxides. It is primarily of research and developmental interest rather than a mature commercial material, with potential applications in catalysis, photocatalysis, and advanced functional ceramics where bismuth's unique electronic properties can be leveraged.

photocatalytic systemsenvironmental remediation catalystsresearch materials
✓RoHS✓REACH✓Prop 65

Bi2P3O12

ceramic

Bi₂P₃O₁₂ is a bismuth phosphate ceramic compound belonging to the family of metal phosphates, which are inorganic ceramics characterized by strong P–O bonding and variable crystal structures. This material is primarily of research and specialized interest rather than a high-volume industrial ceramic; bismuth phosphates are investigated for applications requiring thermal stability, ion conductivity, or specific chemical functionality, with potential use in solid electrolytes, thermal barrier coatings, or specialty refractories. The bismuth-containing phosphate family is notable for tailorable compositions that can offer advantages in niche applications where conventional oxides or silicates are inadequate, though practical engineering adoption remains limited compared to alumina, zirconia, or other mainstream ceramics.

research and developmentsolid electrolytesthermal barrier materials
✓RoHS✓REACH✓Prop 65

Bi2Pd3S2

ceramic

Bi2Pd3S2 is a bismuth-palladium sulfide ceramic compound, representing a mixed-metal chalcogenide material class that combines precious and semimetal elements. This is primarily a research-phase material studied for its potential in thermoelectric and electronic applications, where the layered sulfide structure and metallic character offer tunable electronic properties. Engineers investigating advanced energy conversion, solid-state devices, or next-generation catalytic materials would evaluate this compound as an experimental alternative to conventional semiconductors or intermetallic phases.

thermoelectric devices (research)solid-state electronics (experimental)catalytic applications
✓RoHS✓REACH✓Prop 65

Bi2(PO4)3

ceramic

Bismuth phosphate (Bi₂(PO₄)₃) is an inorganic ceramic compound belonging to the family of metal phosphates, composed of bismuth and phosphate ions. While primarily explored in research contexts rather than widespread industrial production, this material is investigated for applications requiring bismuth's high atomic number and phosphate ceramics' thermal and chemical stability, particularly in nuclear waste immobilization, radiation shielding, and specialized optical or electrolytic applications where bismuth compounds offer advantages over conventional alternatives.

nuclear waste immobilizationradiation shieldingspecialty ceramics research
✓RoHS✓REACH✓Prop 65

Bi2Pt

metal

Bi2Pt is an intermetallic compound combining bismuth and platinum in a 2:1 stoichiometry, belonging to the class of binary metal intermetallics. This material is primarily of research interest rather than established industrial production, studied for potential applications in thermoelectric devices, catalysis, and advanced electronic materials where the combination of bismuth's semiconducting properties and platinum's chemical stability could offer unique functionality. Bi2Pt represents an emerging material in the intermetallic family, with potential relevance to next-generation energy conversion and chemical processing applications where conventional alternatives face performance or cost limitations.

thermoelectric devicescatalytic applicationselectronic materials research
✓RoHS✓REACH✓Prop 65

Bi2Ru2O7

ceramic

Bi₂Ru₂O₇ is a pyrochlore-structure ceramic compound combining bismuth and ruthenium oxides, representing an emerging functional ceramic material primarily explored in research contexts. This material is investigated for applications requiring high thermal stability, electrical conductivity, or catalytic properties, with potential relevance to energy conversion, electrochemistry, and advanced ceramics where the unique combination of heavy metal oxides offers distinct electronic or structural characteristics compared to conventional oxide ceramics.

electrochemical catalysisthermal barrier coatings (research)energy storage materials
✓RoHS✓REACH✓Prop 65

Bi2S3

semiconductor

Bismuth sulfide (Bi₂S₃) is a narrow-bandgap semiconductor compound belonging to the V-VI family of materials, characterized by layered crystal structure and significant spin-orbit coupling effects. It appears primarily in research and emerging applications for thermoelectric energy conversion, infrared optics, and photocatalysis, where its tunable bandgap and high absorption coefficient offer advantages over conventional semiconductors; recent interest has focused on its potential in topological materials and quantum devices, though industrial deployment remains limited compared to established semiconductors like Si or III-V compounds.

thermoelectric power generationinfrared detectors and sensorsphotocatalytic water treatment
✓RoHS✓REACH✓Prop 65

Bi2Se3

semiconductor

Bismuth selenide (Bi₂Se₃) is a layered chalcogenide semiconductor belonging to the topological insulator class of materials. It is primarily investigated in research and emerging device applications rather than established high-volume manufacturing, valued for its unique electronic band structure that enables exotic surface conductivity while maintaining an insulating bulk.

topological quantum computingthermoelectric cooling devicesinfrared photodetectors
✓RoHS✓REACH✓Prop 65

Bi2SeI2O11

semiconductor

Bi2SeI2O11 is a mixed-halide bismuth selenide oxide semiconductor compound combining bismuth, selenium, iodine, and oxygen in a layered crystal structure. This is a research-phase material being explored in solid-state electronics and photonics, where its mixed-anion composition is designed to engineer band gaps and carrier transport properties beyond what single-anion bismuth compounds offer. The material family shows potential for photovoltaic devices, photodetectors, and thermoelectric applications where compositional tuning via halide substitution provides an advantage over conventional semiconductors.

photovoltaic devices (research)photodetectorsthermoelectric applications
✓RoHS✓REACH✓Prop 65

Bi2SI2O11

semiconductor

Bi₂Si₂O₁₁ is a bismuth silicate ceramic compound belonging to the layered silicate family, where bismuth oxide and silica form a structured crystalline phase. This material is primarily of research and developmental interest rather than established industrial use, being investigated for potential applications in photocatalysis, ion conductivity, and optical devices due to its unique crystal structure and bismuth's photosensitive properties. Compared to conventional semiconductors like TiO₂, bismuth silicates offer tunable bandgaps and potential advantages in visible-light-driven applications, though commercial viability and scalability remain under exploration.

photocatalysis (research)optical semiconductorsbismuth-based ceramics
✓RoHS✓REACH✓Prop 65

Bi2(SO4)3

ceramic

Bismuth sulfate (Bi₂(SO₄)₃) is an inorganic ceramic compound composed of bismuth and sulfate ions, typically encountered as a white crystalline solid. It appears primarily in research and specialized industrial contexts rather than as a mainstream structural material, with applications driven by bismuth's unique chemical properties such as its low toxicity relative to heavy metals and its use in catalysis, pigmentation, and pharmaceutical formulations. Engineers considering this material would typically be working in chemical processing, environmental remediation, or advanced materials development rather than conventional load-bearing applications.

catalyst developmentpharmaceutical inactive ingredientspigments and coatings
✓RoHS✓REACH✓Prop 65

Bi2Sr2Co2O8

ceramic

Bi₂Sr₂Co₂O₈ is a layered perovskite ceramic compound belonging to the Aurivillius family of oxide materials, characterized by alternating layers of perovskite and bismuth oxide blocks. This material is primarily of research interest for high-temperature thermoelectric and superconducting applications, as the Co-based layered structure can exhibit metallic or mixed-valence behavior depending on preparation and doping conditions. Engineers and materials scientists investigate this compound family for potential use in advanced energy conversion systems where thermal properties and electrical behavior must be optimized at elevated temperatures.

thermoelectric power generationhigh-temperature electronics researchsuperconductor research
✓RoHS✓REACH✓Prop 65

Bi2Te0.03Se2.97

semiconductor

Bi₂Te₀.₀₃Se₂.₉₇ is a tellurium-selenium compound within the bismuth chalcogenide family, a class of narrow-bandgap semiconductors commonly studied for thermoelectric and optoelectronic applications. This specific composition represents a selenium-rich variant of bismuth telluride with minor tellurium substitution, tuning the electronic and thermal transport properties relative to the well-established Bi₂Te₃ and Bi₂Se₃ end members. The material is primarily of research interest for optimizing thermoelectric efficiency in power generation and cooling modules, and may see application in infrared detectors and narrow-gap photovoltaic devices where the bandgap engineering provided by tellurium doping is exploited.

thermoelectric power generationthermoelectric cooling modulesinfrared photodetectors
✓RoHS✓REACH✓Prop 65

Bi2Te0.1Se2.9

semiconductor

Bi2Te0.1Se2.9 is a tellurium-selenium compound belonging to the bismuth chalcogenide family, which are narrow-bandgap semiconductors with strong thermoelectric properties. This specific composition represents a selenium-rich variant within the well-studied Bi2Te3–Bi2Se3 solid solution system, commonly investigated for optimizing thermoelectric performance through controlled doping and compositional tuning. Engineers select materials in this family for applications requiring efficient thermal-to-electrical energy conversion or solid-state cooling, where the tunability of the Te/Se ratio allows trade-offs between electrical conductivity, thermal conductivity, and Seebeck coefficient to match specific operating conditions.

thermoelectric power generationsolid-state cooling (Peltier devices)waste heat recovery
✓RoHS✓REACH✓Prop 65

Bi2Te0.3Se2.7

semiconductor

Bi₂Te₀.₃Se₂.₇ is a bismuth telluride-selenide solid solution, a layered chalcogenide semiconductor belonging to the family of materials widely studied for thermoelectric applications. This composition represents a tuned variant of the Bi₂Te₃–Bi₂Se₃ system, engineered to optimize the balance between electrical conductivity and thermal properties by substituting tellurium with selenium. The material is primarily investigated in research and development contexts for mid-range thermoelectric power generation and cooling devices, where its phonon-scattering characteristics and band structure modifications offer potential advantages over unmodified binary compounds in specific temperature windows.

thermoelectric power generationsolid-state refrigerationwaste heat recovery
✓RoHS✓REACH✓Prop 65

Bi2Te0.45Se2.55

semiconductor

Bi₂Te₀.₄₅Se₂.₅₅ is a bismuth telluride–selenide solid solution, a p-type semiconductor belonging to the tetradymite family of thermoelectric materials. This composition represents an optimization within the Bi–Te–Se ternary system, where partial substitution of tellurium with selenium is engineered to enhance thermoelectric performance at mid-range temperatures (typically 300–500 K). The material is primarily investigated for direct thermal-to-electrical energy conversion and is used or under development in thermoelectric generators, waste heat recovery systems, and precision cooling modules where its figure of merit (ZT) and temperature stability offer advantages over unary bismuth telluride.

thermoelectric power generationwaste heat recoverythermoelectric cooling modules
✓RoHS✓REACH✓Prop 65

Bi2Te0.4Se2.6

semiconductor

Bi₂Te₀.₄Se₂.₆ is a bismuth telluride-selenide solid solution, a narrow-bandgap semiconductor belonging to the V-VI compound family used primarily in thermoelectric applications. This material is engineered to optimize the Seebeck coefficient and thermal conductivity balance for intermediate-temperature thermoelectric devices, offering tunable performance between binary BiTe and BiSe end members. It is typically employed in research and specialized thermoelectric generators and coolers operating in the 300–500 K range, where its bandgap and carrier concentration can be optimized through composition control.

thermoelectric power generationsolid-state cooling deviceswaste heat recovery
✓RoHS✓REACH✓Prop 65

Bi2Te0.6Se2.4

semiconductor

Bi₂Te₀.₆Se₂.₄ is a solid-solution thermoelectric semiconductor formed by partial substitution of tellurium with selenium in the bismuth telluride family. This material is engineered for mid-temperature thermoelectric applications where the Se/Te ratio is tuned to optimize the balance between electrical conductivity and thermal properties. It is primarily used in thermoelectric cooling and power generation devices, offering potential advantages over pure Bi₂Te₃ in specific temperature ranges and operating conditions.

thermoelectric cooling moduleswaste heat recovery systemsmid-range temperature power generation
✓RoHS✓REACH✓Prop 65

Bi2Te0.9Se2.1

semiconductor

Bi2Te0.9Se2.1 is a bismuth telluride–selenide solid solution, a p-type thermoelectric semiconductor engineered by partial substitution of tellurium with selenium in the classic Bi2Te3 lattice. This material is explored primarily in research and advanced thermoelectric applications where optimizing the Seebeck coefficient and thermal conductivity trade-off is critical; it bridges the bandgap and phonon scattering characteristics between end-member compositions to improve figure-of-merit (ZT) for heat-to-electricity conversion or active cooling over a specific temperature range.

thermoelectric power generationwaste heat recoverysolid-state cooling and refrigeration
✓RoHS✓REACH✓Prop 65

Bi2Te1.2Se1.8

semiconductor

Bi₂Te₁.₂Se₁.₈ is a bismuth telluride-selenide solid solution, a narrow-bandgap semiconductor belonging to the V-VI compound family commonly used in thermoelectric applications. This alloy composition represents an optimization of the classic Bi₂Te₃ thermoelectric material through partial substitution of tellurium with selenium, tuning the electronic and thermal properties for enhanced performance in specific temperature ranges. The material is primarily used in commercial and research thermoelectric devices where conversion between thermal and electrical energy is required, offering advantages over pure Bi₂Te₃ in certain cooling or power generation scenarios.

thermoelectric cooling moduleswaste heat recoverytemperature sensing devices
✓RoHS✓REACH✓Prop 65

Bi2Te1.5Se1.5

semiconductor

Bi₂Te₁.₅Se₁.₅ is a ternary bismuth telluride-selenide compound belonging to the layered chalcogenide semiconductor family, engineered as a solid solution that combines bismuth telluride and bismuth selenide phases. This material is primarily developed for thermoelectric applications where temperature gradients drive electrical current or vice versa, exploiting the moderate band gap and phonon-scattering properties of mixed anion compositions. The Te/Se ratio optimization aims to enhance the thermoelectric figure of merit (ZT) and broaden the operational temperature window compared to pure Bi₂Te₃, making it relevant for waste heat recovery systems, cooling modules, and power generation in harsh environments.

thermoelectric cooling moduleswaste heat recoverytemperature-gradient power generation
✓RoHS✓REACH✓Prop 65

Bi2Te2.1Se0.9

semiconductor

Bi₂Te₂.₁Se₀.₉ is a bismuth telluride-selenide solid solution, a p-type thermoelectric compound engineered by partial substitution of tellurium with selenium to optimize the electronic and thermal transport properties of the Bi₂Te₃ parent material. This quaternary composition sits within the family of bismuth chalcogenides that dominate room-temperature thermoelectric applications, chosen specifically for its tailored band structure and phonon scattering characteristics. The selenium doping improves the thermoelectric figure of merit (ZT) relative to unmodified Bi₂Te₃, making it relevant for near-room-temperature energy conversion where maximizing efficiency in compact devices is critical.

thermoelectric power generationwaste heat recoverycooling modules and refrigeration
✓RoHS✓REACH✓Prop 65

Bi2Te2.4Se0.6

semiconductor

Bi₂Te₂.₄Se₀.₆ is a bismuth telluride–selenide solid solution, a p-type semiconductor belonging to the chalcogenide family widely studied for thermoelectric applications. This material is engineered to optimize the thermoelectric figure of merit by tuning the tellurium-to-selenium ratio, making it relevant for power generation from waste heat and active cooling devices where conventional Bi₂Te₃ compositions may be less efficient. Engineers select bismuth telluride–selenide alloys over pure Bi₂Te₃ when ambient operating conditions or temperature gradients demand improved performance characteristics; this specific composition represents a research-driven material formulation common in thermoelectric module optimization.

Thermoelectric power generationWaste heat recoverySolid-state cooling modules
✓RoHS✓REACH✓Prop 65

Bi2Te2.7Se0.3

semiconductor

Bi₂Te₂.₇Se₀.₃ is a bismuth telluride-selenide solid solution, a narrow-bandgap semiconductor belonging to the V-VI compound family commonly used in thermoelectric applications. This material is engineered for thermoelectric cooling and power generation, where the selenium substitution on the tellurium sites is tuned to optimize the figure of merit (ZT) for mid-temperature operation. It represents a refined composition variant of the well-established Bi₂Te₃ system, chosen when enhanced performance or tailored thermal/electrical balance is needed compared to unmodified bismuth telluride.

thermoelectric coolerswaste heat recoverytemperature stabilization
✓RoHS✓REACH✓Prop 65

Bi2Te2.97Se0.03

semiconductor

Bi₂Te₂.₉₇Se₀.₀₃ is a near-stoichiometric bismuth telluride selenide compound—a doped variant of the classic Bi₂Te₃ thermoelectric material family with minor selenium substitution. This is a well-established n-type or p-type semiconductor optimized for solid-state heat pumping and power generation, where the small selenium content fine-tunes the band structure and carrier concentration relative to pure Bi₂Te₃. The material is widely deployed in commercial thermoelectric coolers and generators because it delivers a favorable balance of electrical conductivity, thermal conductivity, and Seebeck coefficient at room temperature; engineers select it over alternatives when compact, vibration-free cooling or waste-heat recovery is needed, and especially where the modest selenium doping enhances performance consistency and reduces tellurium cost compared to higher-Te stoichiometries.

thermoelectric cooling moduleswaste heat recoverytemperature stabilization (instruments/optics)
✓RoHS✓REACH✓Prop 65

Bi2Te2Se

semiconductor

Bi₂Te₂Se is a layered chalcogenide semiconductor belonging to the bismuth telluride family, engineered with partial selenium substitution to tune electronic and thermal properties. This material is investigated primarily for thermoelectric energy conversion applications where it can convert temperature gradients directly into electrical voltage, and for potential topological properties in nanostructured or thin-film forms. Compared to unsubstituted Bi₂Te₃, the selenium incorporation modifies the bandgap and carrier concentration, making it relevant for mid-temperature thermoelectric devices and emerging quantum materials research where band topology may be exploited.

Thermoelectric cooling/power generationWaste heat recovery systemsTopological material research
✓RoHS✓REACH✓Prop 65

Bi2Te2SO10

semiconductor

Bi2Te2SO10 is a bismuth tellurium sulfate compound belonging to the family of mixed-valence semiconductors, combining bismuth and tellurium with sulfate groups in its crystal structure. This material is primarily investigated in materials research for thermoelectric and photocatalytic applications, where its layered structure and mixed-anion composition may offer advantages in charge transport or light-driven processes. While not yet established in mainstream industrial production, compounds in this family are explored as alternatives to conventional thermoelectrics (such as Bi2Te3) or as functional ceramics for environmental remediation, though Bi2Te2SO10 remains largely experimental.

thermoelectric researchphotocatalysis and water treatmentsemiconductor device research
✓RoHS✓REACH✓Prop 65

Bi2Te3

semiconductor

Bismuth telluride (Bi₂Te₃) is a narrow-bandgap semiconductor and the most widely used thermoelectric material at room temperature, prized for direct conversion between thermal and electrical energy. It is the material of choice for thermoelectric cooling modules, power generation from waste heat, and temperature sensing applications across industrial, automotive, and consumer electronics sectors. Engineers select Bi₂Te₃ over alternatives because of its superior figure of merit near ambient conditions, established manufacturing processes, and proven reliability in applications requiring precise thermal management without moving parts.

thermoelectric cooling moduleswaste heat power generationtemperature control systems
✓RoHS✓REACH✓Prop 65

Bi2V2Se4O16

semiconductor

Bi₂V₂Se₄O₁₆ is a mixed-metal oxide semiconductor compound containing bismuth, vanadium, and selenium. This is primarily a research material within the layered oxide semiconductor family, studied for its potential in photocatalysis, optoelectronics, and energy conversion applications due to its tunable band gap and layered crystal structure. While not yet widely deployed in commercial products, materials in this compositional space are of interest for environmental remediation (pollutant degradation under light) and next-generation photovoltaic or photoelectrochemical devices as alternatives to more established semiconductors.

photocatalytic water treatmentenvironmental remediationoptoelectronic research
✓RoHS✓REACH✓Prop 65

Bi2YVO8

semiconductor

Bi2YVO8 is an yttrium-bismuth vanadate ceramic compound belonging to the family of mixed-metal oxide semiconductors. This is a research material of interest for photocatalytic and electrochemical applications, particularly in the visible-light semiconductor family rather than an established commercial material. The compound combines bismuth's photocatalytic properties with vanadium's redox activity, making it relevant for environmental remediation (pollutant degradation under visible light) and potentially for energy conversion applications where conventional wide-bandgap semiconductors are less efficient.

photocatalysisvisible-light water treatmentenvironmental remediation
✓RoHS✓REACH✓Prop 65

Bi38ZnO58

semiconductor

Bi38ZnO58 is a bismuth zinc oxide compound belonging to the mixed-metal oxide semiconductor family, with potential applications in optoelectronic and photocatalytic systems. This material composition suggests a pyrochlore or related layered oxide phase that combines bismuth and zinc oxides, likely investigated for enhanced electronic and optical functionality compared to single-component oxides. While primarily a research-stage compound, bismuth-zinc oxide systems are explored for visible-light-responsive applications where conventional semiconductors fall short, particularly in photocatalysis and gas sensing where bismuth's low bandgap and zinc's stability offer complementary advantages.

photocatalytic applicationsvisible-light photocatalystsgas sensing devices
✓RoHS✓REACH✓Prop 65

Bi3BTeO9

semiconductor

Bi3BTeO9 is an experimental bismuth borate tellurate ceramic compound being explored in materials research for its potential semiconducting and photonic properties. This material belongs to the family of mixed-metal oxide semiconductors and represents an emerging area of study where researchers are investigating how combining bismuth, boron, and tellurium oxides creates new functional characteristics. While not yet in widespread industrial production, compounds in this chemical family are of interest for potential applications in optoelectronic devices, photocatalysis, and advanced ceramics where band-gap engineering and light-matter interaction are critical.

experimental semiconductorsphotocatalytic materials researchoptoelectronic device development
✓RoHS✓REACH✓Prop 65

Bi3F3I4O13

semiconductor

Bi3F3I4O13 is a mixed-halide bismuth oxyhalide compound belonging to the family of layered perovskite-related semiconductors. This is a research-stage material synthesized for photocatalytic and optoelectronic applications, combining bismuth's strong spin-orbit coupling with fluorine and iodine co-doping to engineer band gap and carrier transport properties. The fluoride-iodide combination is designed to enhance visible-light absorption and photocatalytic activity compared to single-halide bismuth oxychlorides or oxybromides, making it of interest for environmental remediation and energy conversion research.

photocatalytic water treatment (research)visible-light photocatalysis (research)semiconductor device engineering (exploratory)
✓RoHS✓REACH✓Prop 65

Bi3Ge3O10.5

semiconductor

Bi₃Ge₃O₁₀.₅ is a bismuth germanate ceramic compound belonging to the family of mixed-metal oxides with potential semiconductor or photonic functionality. This material is primarily of research interest rather than established industrial production, with investigation focused on optical, electronic, or radiation-detection applications where bismuth and germanium compounds have demonstrated promise; its specific phase and properties make it relevant to exploratory work in scintillators, photocatalysts, or wide-bandgap device development rather than commodity engineering applications.

experimental photonic materialsradiation detection researchoptical ceramics development
✓RoHS✓REACH✓Prop 65

Bi3I4O13F3

semiconductor

Bi3I4O13F3 is a mixed-valence bismuth iodide oxide fluoride compound belonging to the class of complex inorganic semiconductors with layered or framework structures. This is a research-stage material rather than an established commercial product; it combines bismuth halide chemistry with oxide and fluoride ligands, a composition family being explored for optoelectronic and photovoltaic applications due to bismuth's high atomic number and strong spin-orbit coupling effects. The fluorine and iodine co-substitution may offer tunable band gaps and enhanced photostability compared to simpler bismuth halide perovskite alternatives, making it of interest in emerging semiconductor device research.

perovskite-alternative photovoltaicslead-free semiconductorsoptoelectronic devices
✓RoHS✓REACH✓Prop 65

Bi3In4S10

semiconductor

Bi₃In₄S₁₀ is a ternary chalcogenide semiconductor compound combining bismuth, indium, and sulfur elements. This material is primarily of research and exploratory interest rather than established in high-volume manufacturing; it belongs to the family of layered sulfide semiconductors being investigated for optoelectronic and photovoltaic applications where tunable bandgap and potential for heterojunction devices are sought.

thin-film photovoltaicsoptoelectronic devicesphotodetectors
✓RoHS✓REACH✓Prop 65

Bi3Se2NO11

semiconductor

Bi3Se2NO11 is a bismuth selenide nitrate oxide compound belonging to the family of mixed-anion semiconductors combining bismuth, selenium, nitrogen, and oxygen elements. This is a research-phase material with potential applications in optoelectronics and photocatalysis; the mixed-anion structure creates tunable bandgap properties that differ from single-anion semiconductors, making it of interest for light-emission and photochemical conversion research.

photocatalytic applicationsoptoelectronic devicesvisible-light harvesting
✓RoHS✓REACH✓Prop 65

Bi3TeBO9

semiconductor

Bi₃TeBO₉ is a bismuth tellurium borate compound belonging to the family of complex oxide semiconductors, combining heavy metal cations with tellurium and borate structural units. This is a research-phase material being investigated for optoelectronic and photonic applications where bismuth-based compounds offer bandgap tunability and non-linear optical properties. The tellurium and borate components suggest potential for mid-infrared photonics, scintillation detection, or nonlinear frequency conversion where bismuth tellurates and borates have shown promise as alternatives to conventional semiconductors.

mid-infrared opticsnonlinear optical devicesscintillation detectors
✓RoHS✓REACH✓Prop 65

Bi4I

ceramic

Bi4I is a bismuth iodide ceramic compound belonging to the halide perovskite family, characterized by a layered crystal structure combining bismuth cations with iodide anions. This material is primarily of research and developmental interest for optoelectronic and photovoltaic applications, particularly as a lead-free alternative in perovskite solar cells and as a potential scintillator or X-ray detector material. Bismuth halides offer stability advantages over lead-based perovskites and are being investigated for their photoluminescence and radiation-sensing properties, making them candidates for next-generation imaging and energy conversion technologies.

Lead-free perovskite solar cellsX-ray and gamma-ray detectorsScintillation materials
✓RoHS✓REACH✓Prop 65

Bi4Pb7Se13

semiconductor

Bi4Pb7Se13 is a mixed-metal selenide compound belonging to the class of narrow-bandgap semiconductors, combining bismuth, lead, and selenium in a layered or complex crystal structure. This material is primarily of research interest for thermoelectric and optoelectronic applications, where the combination of heavy elements and selenium chemistry offers potential for mid-infrared detection, thermal energy conversion, or exotic electronic transport phenomena; it remains an experimental compound rather than a widely commercialized engineering material.

thermoelectric energy conversionmid-infrared detectorsresearch semiconductors
✓RoHS✓REACH✓Prop 65

Bi4PdSe4O12

semiconductor

Bi₄PdSe₄O₁₂ is a mixed-metal oxide-selenide compound combining bismuth, palladium, selenium, and oxygen into a layered crystal structure. This is a research-phase material rather than an established engineering compound, studied primarily for its semiconductor and thermoelectric properties within the broader family of complex metal chalcogenides and oxides. Interest in this material stems from potential applications in solid-state energy conversion and electronic devices where the combination of heavy elements (Bi, Pd) and chalcogen chemistry could enable favorable charge transport and phonon scattering characteristics.

thermoelectric power generation (research)solid-state electronics (experimental)waste heat recovery (potential)
✓RoHS✓REACH✓Prop 65

Bi4Pd(SeO3)4

semiconductor

Bi4Pd(SeO3)4 is an experimental quaternary semiconductor compound combining bismuth, palladium, and selenite (SeO3) groups, synthesized primarily for fundamental materials research rather than established commercial production. This material belongs to the broader family of mixed-metal oxyselenides and is of interest in solid-state chemistry for investigating structure-property relationships, potential photocatalytic activity, and semiconductor band structure engineering. While not currently deployed in mainstream engineering applications, compounds in this material family are explored by researchers studying novel energy conversion, optoelectronic, and catalytic materials where bismuth- and palladium-containing systems offer tunable electronic properties.

research semiconductorsphotocatalysis developmentsolid-state chemistry
✓RoHS✓REACH✓Prop 65

Bi4V2O11

semiconductor

Bi4V2O11 is a bismuth vanadium oxide ceramic compound that functions as a mixed-valence semiconductor. This material belongs to the family of layered bismuth-based oxides and is primarily investigated in research contexts for its ionic conductivity and catalytic properties. It is notable within oxygen-ion conducting ceramics for potential electrochemical applications where alternative stabilized zirconia or ceria-based systems are used, though Bi4V2O11 remains largely in development rather than established industrial production.

solid oxide fuel cells (SOFC)oxygen sensorscatalytic applications
✓RoHS✓REACH✓Prop 65

Bi5IO7

semiconductor

Bi₅IO₇ is a bismuth iodide oxide semiconductor compound belonging to the mixed-valent bismuth oxide family, engineered for photocatalytic and optoelectronic applications. This material is primarily investigated in research contexts for photocatalysis (especially water purification and pollutant degradation under visible light), photoelectrochemical devices, and potential photovoltaic applications, where its layered structure and narrow bandgap offer advantages over conventional titanium dioxide-based systems. The iodine doping strategy makes it notable for enhanced light absorption and charge carrier dynamics compared to undoped bismuth oxides, positioning it as a candidate material for sustainable water treatment and environmental remediation where visible-light activity is required.

photocatalytic water treatmentvisible-light photocatalystsphotoelectrochemical cells
✓RoHS✓REACH✓Prop 65

Bi5O7I

semiconductor

Bi5O7I is a bismuth oxyiodide semiconductor compound belonging to the layered perovskite family, combining bismuth oxide with iodide to create a narrow-bandgap material with enhanced visible-light responsiveness. This is primarily a research-stage material being investigated for photocatalytic applications where its bismuth content and iodide doping enable improved light absorption and charge carrier separation compared to conventional TiO2-based photocatalysts. Engineers exploring this material would target applications requiring efficient visible-light activation rather than UV-dependent systems, though it remains in the development phase with limited commercial deployment.

Photocatalysis and water purificationVisible-light photocatalystsEnvironmental remediation
✓RoHS✓REACH✓Prop 65

Bi6Cu3S10I

semiconductor

Bi₆Cu₃S₁₀I is a mixed-metal chalcohalide semiconductor compound combining bismuth, copper, sulfur, and iodine. This is a research-phase material belonging to the family of layered quaternary semiconductors, investigated primarily for its potential in optoelectronic and photovoltaic applications due to its tunable bandgap and anisotropic crystal structure. The material represents an emerging class of semiconductors designed to overcome limitations of traditional single-element or binary semiconductors in light absorption and charge transport.

photovoltaic researchoptoelectronic devicesthin-film semiconductors
✓RoHS✓REACH✓Prop 65
PreviousPage 31 of 173 (10,375 materials)Next