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In1.6Cu0.4Se2.6

semiconductor

In₁.₆Cu₀.₄Se₂.₆ is a mixed-cation indium copper selenide compound belonging to the chalcogenide semiconductor family. This material is primarily investigated in research settings as a potential absorber layer or light-harvesting component for photovoltaic and optoelectronic devices, where the mixed-cation composition offers tunability of band gap and carrier transport properties compared to binary selenides.

Thin-film photovoltaicsOptoelectronic devicesPhotodetectors
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In1.6Ga0.4Cu1S3.5

semiconductor

In1.6Ga0.4Cu1S3.5 is a quaternary semiconductor compound combining indium, gallium, copper, and sulfur in a chalcogenide crystal structure. This material belongs to the I-III-VI semiconductor family and represents an experimental composition designed to optimize optoelectronic and photovoltaic performance through controlled doping and alloying of indium-gallium-copper sulfides.

photovoltaic absorber layersthin-film solar cellsoptoelectronic devices
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In1.7Cu0.3Se2.7

semiconductor

In₁.₇Cu₀.₃Se₂.₇ is a quaternary semiconductor compound combining indium, copper, and selenium in a layered chalcogenide structure. This material is primarily of research interest for optoelectronic and photovoltaic applications, particularly in thin-film solar cells and photodetectors where its tunable bandgap and high absorption coefficient offer advantages over conventional binary selenides. The copper doping modifies electronic properties relative to parent indium selenide, making it notable in exploratory studies of next-generation photovoltaic absorbers and IR-sensitive devices.

thin-film solar cellsphotodetectorsinfrared sensing
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In1.85Cu0.15Se2.85

semiconductor

In1.85Cu0.15Se2.85 is a mixed-cation indium copper selenide compound belonging to the family of chalcogenide semiconductors. This material is primarily of research and developmental interest for photovoltaic and thermoelectric applications, where the partial substitution of copper for indium modifies electronic structure and band gap characteristics compared to binary indium selenide. The composition sits within an active area of exploration for thin-film solar cells and advanced energy conversion devices, offering potential advantages in cost, processability, or performance tuning relative to conventional III–VI or II–VI alternatives.

thin-film photovoltaicssolar cell absorber layersthermoelectric energy conversion
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In1.8Cu0.2Se2.8

semiconductor

In₁.₈Cu₀.₂Se₂.₈ is a layered metal chalcogenide semiconductor compound combining indium, copper, and selenium in a mixed-valence structure. This material belongs to the family of ternary selenides and is primarily investigated in research contexts for thermoelectric and optoelectronic applications, where its layered crystal structure and tunable electronic properties offer potential advantages over binary alternatives like InSe or CuSe.

thermoelectric devicesoptoelectronic sensorsresearch semiconductors
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In1.8Ge0.2O3

ceramic

In1.8Ge0.2O3 is an indium-germanium mixed oxide ceramic compound belonging to the family of transparent conducting oxides (TCOs) and wide-bandgap semiconductors. This material is primarily of research and development interest for next-generation optoelectronic and semiconductor applications where the combination of indium and germanium oxides offers tunable electrical and optical properties distinct from single-component alternatives. The mixed-cation composition provides potential advantages in thin-film device fabrication, particularly where lightweight, transparent functionality or specific bandgap engineering is required in emerging photonic or electronic device architectures.

transparent conducting filmsoptoelectronic devicesthin-film photovoltaics
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In1.94Ge0.06O3

ceramic

In1.94Ge0.06O3 is an indium germanate ceramic compound belonging to the family of mixed-metal oxides, characterized by a high indium content with minor germanium substitution. This is primarily a research and development material studied for its potential in photonic and electronic applications where oxide ceramics with tailored compositional ratios can enable specific dielectric or optical properties. The material represents an experimental composition rather than an established engineering ceramic, making it relevant to researchers exploring advanced ceramics for next-generation devices, though industrial adoption remains limited.

photonic/optoelectronic researchdielectric ceramics developmentexperimental functional ceramics
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In1.985Ge0.015O3

ceramic

In₁.₉₈₅Ge₀.₀₁₅O₃ is an indium germanium oxide ceramic compound with a heavily indium-doped composition, representing a variant within the indium oxide family of wide-bandgap semiconducting ceramics. This material is primarily investigated for transparent conductive oxide (TCO) applications and optoelectronic devices, where the germanium dopant modifies the electrical and optical properties relative to pure indium oxide. The composition occupies a research-phase niche, balancing the conductivity advantages of indium oxide with potential improvements in thermal stability or optical performance through controlled germanium incorporation—making it of interest to developers seeking alternatives to conventional ITO (indium tin oxide) in specialized display, photovoltaic, or sensing contexts.

transparent conductive coatingsoptoelectronic thin filmssolar cell electrodes
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In1.994Ge0.006O3

ceramic

In₁.₉₉₄Ge₀.₀₀₆O₃ is an indium germanium oxide ceramic—a heavily indium-doped oxide compound with minimal germanium substitution. This is a research-phase material rather than a standard industrial ceramic, synthesized to investigate how germanium doping modifies the electronic and thermal properties of indium oxide. The germanium addition at the ~0.3% level typically serves to fine-tune band structure or defect chemistry in transparent conducting oxide (TCO) or optoelectronic applications, where indium oxide derivatives are fundamental.

transparent conducting filmsoptoelectronic devicesthin-film solar cells
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In1.998Ge0.002O3

ceramic

In1.998Ge0.002O3 is a heavily indium-doped indium oxide (In2O3) ceramic with trace germanium substitution, belonging to the transparent conducting oxide (TCO) family. This is primarily a research material designed to investigate how minimal germanium doping affects the electronic and optical properties of indium oxide, with potential applications in optoelectronic devices where tuned carrier concentration and band structure are advantageous. The germanium incorporation—though at only ~0.1 at.% levels—allows researchers to optimize transparency, electrical conductivity, and thermal behavior for next-generation displays, photovoltaic windows, and infrared applications where standard In2O3 may not meet performance targets.

transparent conducting oxide researchoptoelectronic thin filmsphotovoltaic device windows
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In1.99Cu0.01Se2.99

semiconductor

In1.99Cu0.01Se2.99 is a heavily indium-doped indium selenide compound with trace copper substitution, belonging to the III–VI semiconductor family. This material is primarily of research interest for thermoelectric and optoelectronic applications, where the copper doping is engineered to modify carrier concentration and electrical properties relative to parent indium selenide. The copper substitution at the indium site represents a tuning strategy common in semiconductor bandgap and transport property optimization, though this composition remains largely within exploratory materials science rather than established industrial production.

thermoelectric power generationsemiconductor researchoptoelectronic devices
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In1.9Cu0.1Se2.9

semiconductor

In₁.₉Cu₀.₁Se₂.₉ is a ternary chalcogenide semiconductor composed of indium, copper, and selenium—a variation of indium selenide with partial copper substitution. This material is primarily of research interest for thermoelectric and photovoltaic applications, where the copper doping modifies the electronic structure and charge carrier concentration compared to binary InSe. The copper addition is typically explored to enhance thermoelectric efficiency, tune bandgap for solar energy conversion, or improve electrical transport properties in next-generation energy conversion devices.

thermoelectric generatorsphotovoltaic researchsolid-state energy conversion
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In1.9Ge0.1O3

ceramic

In1.9Ge0.1O3 is an indium germanium oxide ceramic compound, a mixed-metal oxide belonging to the family of transparent conducting oxides (TCOs) and wide-bandgap semiconductors. This material is primarily of research and developmental interest rather than established industrial production, studied for applications requiring the combined properties of indium oxide and germanium oxide phases. Engineering interest focuses on optoelectronic and electronic applications where the specific composition can tune bandgap, carrier mobility, and optical transparency—offering potential advantages over single-component indium oxide or alternative TCO systems in specialized device architectures.

transparent conducting coatingsoptoelectronic devicesresearch semiconductors
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In1Ag1.75Sb5.75Se11

semiconductor

In₁Ag₁.₇₅Sb₅.₇₅Se₁₁ is a quaternary chalcogenide semiconductor compound combining indium, silver, antimony, and selenium elements. This material belongs to the family of complex chalcogenide semiconductors, which are of interest in solid-state physics and materials research for their tunable electronic and thermal properties. As a multi-component chalcogenide system, it represents an experimental composition likely investigated for thermoelectric performance, optical sensing, or phase-change memory applications where the combination of p-type dopants (Ag, Sb) and chalcogen coordination creates favorable band structure characteristics.

thermoelectric energy conversion (research)infrared optical detectorsphase-change memory devices
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In1Ga1Cu1S3.5

semiconductor

In₁Ga₁Cu₁S₃.₅ is a quaternary chalcogenide semiconductor compound combining indium, gallium, copper, and sulfur. This material belongs to the I-III-VI₂ semiconductor family and is primarily of research interest for photovoltaic and optoelectronic applications, where its tunable bandgap and mixed-cation composition offer potential advantages over binary or ternary alternatives in absorber layer design.

thin-film photovoltaicsoptoelectronic researchsolar cells (experimental)
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In1Hg4As2.5Br3.5

semiconductor

In1Hg4As2.5Br3.5 is a mixed-halide perovskite-related semiconductor compound combining indium, mercury, arsenic, and bromine in a complex stoichiometry. This is a research-phase material primarily of interest in theoretical and experimental semiconductor physics, likely explored for tunable bandgap properties or exotic electronic behavior rather than established commercial applications. The material family (mercury-containing halide perovskites and related phases) has attracted academic attention for potential photovoltaic or optoelectronic devices, though environmental and stability concerns limit practical deployment compared to lead-free alternatives.

experimental semiconductorsperovskite researchbandgap engineering
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In1Sb0.01As0.99

semiconductor

In₁Sb₀.₀₁As₀.₉₉ is a narrow-bandgap III-V semiconductor alloy composed primarily of InAs with a small antimony (Sb) substitution on the arsenide sublattice. This material belongs to the InAs-InSb alloy family and is investigated for infrared and optoelectronic applications where precise bandgap engineering is required. The Sb incorporation tunes the electronic and optical properties relative to pure InAs, making it relevant for mid-to-far infrared detectors, thermal imaging systems, and potentially high-mobility transistor channels in specialized RF or low-noise applications.

infrared photodetectorsthermal imaging sensorsnarrow-gap semiconductors
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In1Sb0.1As0.9

semiconductor

In₁Sb₀.₁As₀.₉ is a narrow-bandgap III-V semiconductor alloy composed of indium antimonide and indium arsenide, belonging to the InSb-InAs pseudobinary system. This material is primarily developed for infrared optoelectronics and mid-to-long-wavelength detection applications, where its tunable bandgap and high carrier mobility make it suitable for thermal imaging and spectroscopic sensing in the 3–5 μm wavelength range. The composition represents a research-phase material designed to optimize performance for specific IR detector architectures where the balance of InSb's narrow bandgap and InAs's higher electron mobility offers advantages over single-component alternatives.

infrared detectorsthermal imaging sensorsmid-wavelength IR detection
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In1Sb0.2As0.8

semiconductor

In₁Sb₀.₂As₀.₈ is a ternary III-V semiconductor alloy combining indium, antimony, and arsenic in a zinc-blende crystal structure. This material belongs to the InAs-InSb solid solution family and is primarily investigated for infrared optoelectronic and photodetection applications where its narrow bandgap and high carrier mobility offer advantages over binary compounds. The specific composition positions it in a research-driven space for tuning the bandgap energy to target mid-to-long wavelength infrared detection (MWIR/LWIR), making it notable for thermal imaging and sensing systems where performance tailoring across the infrared spectrum is critical.

infrared photodetectorsthermal imaging sensorsmid-wave infrared detection
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In1Sb0.3As0.7

semiconductor

In₁Sb₀.₃As₀.₇ is a ternary III-V semiconductor alloy combining indium, antimony, and arsenic in a zinc-blende crystal structure. This material represents a composition point within the indium antimonide-indium arsenide solid solution system, engineered to achieve intermediate bandgap and lattice parameters between its binary end-members. The alloy is primarily investigated for infrared optoelectronics and high-speed electronic devices where tuning the bandgap between that of InSb (~0.17 eV) and InAs (~0.35 eV) offers performance advantages; it is notably used or studied for mid-infrared photodetectors, thermal imaging sensors, and high-electron-mobility transistors (HEMTs) operating in the 3–12 µm wavelength range.

infrared detectors and sensorsthermal imaging systemshigh-speed transistors
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In1Sb0.4As0.6

semiconductor

In₁Sb₀.₄As₀.₆ is a ternary III-V semiconductor alloy combining indium, antimony, and arsenic in a zinc-blende crystal structure. This material belongs to the InSbAs family and is primarily of research and developmental interest for infrared optoelectronics and high-speed electronics, offering tunable bandgap and lattice parameters between binary end-members InSb and InAs to optimize performance for specific wavelength ranges or device requirements.

infrared detectorsmid-wavelength IR sensorshigh-electron-mobility transistors
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In1Sb0.5As0.5

semiconductor

In₁Sb₀.₅As₀.₅ is a quaternary III-V semiconductor alloy composed of indium, antimony, and arsenic. This material belongs to the family of narrow-bandgap semiconductors and is primarily of research and specialized industrial interest, valued for its tunable electronic properties through composition engineering.

infrared detectorsmid-infrared optoelectronicsthermal imaging sensors
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In1Sb0.6As0.4

semiconductor

In₁Sb₀.₆As₀.₄ is a ternary III-V semiconductor alloy combining indium, antimony, and arsenic in a direct bandgap structure. This material is engineered primarily for infrared optoelectronic devices where its bandgap energy falls in the mid-to-long wavelength infrared region, making it valuable for thermal imaging, gas sensing, and infrared detectors that operate at cryogenic or thermoelectric cooling temperatures. Compared to binary compounds like InSb or InAs, this ternary composition offers tunable bandgap wavelength and improved lattice matching for heterostructure designs, positioning it as a key material for research in advanced infrared focal plane arrays and quantum infrared sensors.

infrared detectorsthermal imaging sensorsgas sensing
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In1Sb0.7As0.3

semiconductor

In₁Sb₀.₇As₀.₃ is a ternary III-V semiconductor alloy combining indium, antimony, and arsenic, belonging to the narrow-bandgap semiconductor family. This material is primarily of research and specialized device interest, exploited for infrared detection and thermal imaging applications where its bandgap energy falls in the mid-to-long wavelength infrared region. It offers potential advantages over binary InSb or InAs in tuning bandgap and lattice properties for specific detector wavelengths, though adoption remains limited compared to mature quaternary alloys like InGaAs.

infrared detectorsthermal imaging sensorsresearch semiconductors
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In1Sb0.8As0.2

semiconductor

In₁Sb₀.₈As₀.₂ is a ternary III-V semiconductor alloy combining indium, antimony, and arsenic in a zinc-blende crystal structure. This material belongs to the InSbAs family and is primarily investigated for infrared optoelectronic and high-speed electronic devices where the bandgap and lattice parameters can be tuned between those of InSb and InAs end-members. Engineering interest centers on mid-to-long-wavelength infrared detection, narrow-bandgap transistors, and quantum-effect devices, where this composition offers potential advantages in thermal sensitivity and carrier mobility compared to more conventional alternatives like InGaAs or HgCdTe.

infrared photodetectorsthermal imaging sensorshigh-electron-mobility transistors
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In1Sb0.99As0.01

semiconductor

In₁Sb₀.₉₉As₀.₀₁ is a narrow-bandgap III-V semiconductor alloy based on indium antimonide (InSb) with a small arsenic substitution on the antimony sublattice. This material belongs to the indium compound semiconductor family and represents a deliberate bandgap engineering approach to tune the electronic properties of InSb for specific infrared and optoelectronic applications. The arsenic doping modifies carrier concentration and energy band structure compared to pure InSb, making it relevant for mid-infrared detection, high-mobility transistor channels, and magnetoresistive sensor devices where precise bandgap control is critical.

infrared detectorsmid-IR photodiodeshigh-mobility transistors
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In1Sb0.9As0.1

semiconductor

InSbAs is a ternary III-V semiconductor alloy combining indium antimonide (InSb) with a small arsenic substitution (10% As, 90% Sb). This material belongs to the narrow-bandgap semiconductor family and is primarily of research and specialized device interest rather than high-volume production. InSbAs alloys are investigated for infrared detection, particularly in the mid-wave infrared (MWIR) region, where the arsenic doping modifies the bandgap and lattice parameter of InSb to improve performance in specific detector designs and thermal imaging applications.

infrared detectorsthermal imaging sensorsmid-wave IR applications
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In2As2Cl2O5

ceramic

In2As2Cl2O5 is an indium arsenate chloride oxide ceramic compound, representing a mixed-anion inorganic material that combines arsenic and chlorine with indium in an oxidic framework. This is a specialized research compound not widely adopted in mainstream engineering applications; it belongs to the family of complex metal arsenate chlorides being investigated for potential optoelectronic, photocatalytic, or solid-state chemistry applications. The material's notable density and mixed-valence composition make it relevant to researchers exploring novel semiconductor or functional ceramic systems, though practical engineering adoption remains limited compared to conventional indium compounds like indium phosphide or indium oxide.

Research and development compoundsExperimental semiconductorsPhotocatalytic materials study
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In2As2O5Cl2

ceramic

In2As2O5Cl2 is an indium arsenate chloride ceramic compound, a mixed-anion oxide belonging to the family of layered inorganic materials. This is primarily a research compound with limited commercial deployment; it is studied for potential applications in ion-conducting ceramics and solid-state electrolyte systems where its mixed-anion structure may enable selective ionic transport. Engineers evaluating this material should note it remains largely experimental and would typically be considered only for advanced electrochemical devices or fundamental research into new ceramic conductors where conventional alternatives are insufficient.

solid-state electrolytes (research)ion conductors (experimental)advanced ceramics development
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In2Bi3Se7I

semiconductor

In2Bi3Se7I is a quaternary chalcohalide semiconductor compound combining indium, bismuth, selenium, and iodine in a layered crystal structure. This is a research-stage material studied for its potential as a narrow-bandgap semiconductor with interesting optoelectronic and thermoelectric properties, part of the broader family of bismuth chalcohalides being investigated as alternatives to lead-based compounds in photovoltaics and IR detection. The material represents exploratory work in non-toxic, earth-abundant semiconductors that could enable new applications in mid-infrared sensing and solid-state energy conversion if synthetic and processing challenges can be overcome.

infrared detectors and sensorsphotovoltaic absorber layersthermoelectric devices
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In2B(PO4)3

ceramic

Indium bismuth phosphate (In₂B(PO₄)₃) is an inorganic ceramic compound belonging to the phosphate family, likely investigated for specialized electrochemical or optical applications. This is primarily a research material rather than an established commercial ceramic; compounds in this chemical family are of interest for solid-state ion conductors, thermal management systems, and advanced ceramic matrices, though In₂B(PO₄)₃ itself remains in the experimental stage. Its potential appeal lies in combining indium and bismuth chemistry with phosphate frameworks to achieve tailored ionic conductivity, thermal stability, or chemical inertness for niche high-performance applications.

solid-state electrolytes (research)thermal barrier coatings (experimental)high-temperature ceramics
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In2Co

metal

In2Co is an intermetallic compound composed of indium and cobalt, belonging to the family of ordered metallic compounds characterized by specific crystallographic structures and intermediate bonding characteristics between pure metals and ceramics. While not widely established in high-volume industrial production, In2Co and related indium-cobalt intermetallics are primarily of research and specialized interest, investigated for potential applications requiring specific combinations of mechanical rigidity, electrical properties, or thermal stability. Engineers would consider this material primarily in experimental contexts or niche applications where the unique phase stability and intermediate material properties of indium-cobalt systems offer advantages over conventional alloys or pure metals.

experimental intermetallic researchsemiconductor contact materialsthermal management compounds
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In2Cu1S3.5

semiconductor

In2Cu1S3.5 is a quaternary semiconductor compound combining indium, copper, and sulfur in a specific stoichiometric ratio, belonging to the family of copper-indium sulfide (CIS) and related chalcogenide semiconductors. This material is primarily of research interest for photovoltaic and optoelectronic applications, particularly as a potential absorber layer or component in thin-film solar cells and photodetectors where its bandgap and optical properties could offer advantages in light absorption and carrier transport. Relative to conventional CIS or CIGS (copper-indium-gallium-selenide) absorbers, quaternary formulations like this are explored to fine-tune electronic structure and improve efficiency or reduce material costs, though industrial deployment remains limited and material is not yet widely commercialized.

thin-film solar cellsphotodetectorsoptoelectronic research
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In2FeSe4

semiconductor

In2FeSe4 is a ternary semiconductor compound belonging to the chalcogenide family, combining indium, iron, and selenium in a layered or spinel-like crystal structure. This material remains primarily in the research phase, investigated for potential applications in thermoelectric devices, photovoltaic absorbers, and solid-state electronics where mixed-valence transition metals can enable tunable electronic properties. Unlike binary semiconductors, the three-element composition offers opportunities to engineer band gaps and carrier mobility through compositional control, though industrial adoption is limited and material synthesis and characterization are still active research areas.

thermoelectric energy conversionphotovoltaic researchsemiconductor device development
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In2GeTe3

semiconductor

In2GeTe3 is a ternary chalcogenide semiconductor compound composed of indium, germanium, and tellurium. This material belongs to the family of narrow-bandgap semiconductors and is primarily investigated in research contexts for thermoelectric and infrared optoelectronic applications, where its layered crystal structure and tunable electronic properties offer potential advantages over binary semiconductors in specific temperature and spectral regimes.

thermoelectric cooling and power generationinfrared detectors and sensorsnarrow-bandgap semiconductor research
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In2Hg6(P2Cl3)3

semiconductor

In2Hg6(P2Cl3)3 is a mixed-metal halide semiconductor compound combining indium, mercury, and phosphorus-chlorine units in a complex crystal structure. This is a research-phase material within the broad family of metal halide semiconductors; limited industrial deployment exists, but the compound is of interest in advanced semiconductor research for its potential electronic and optical properties arising from its unique anionic framework. Engineers and researchers would evaluate this material primarily in exploratory contexts where conventional semiconductors are insufficient, though significant development work would be required to translate laboratory findings into practical applications.

experimental semiconductorsresearch photonicshalide crystal engineering
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In2HgS4

semiconductor

In2HgS4 is a quaternary semiconductor compound combining indium, mercury, and sulfur, belonging to the class of ternary and quaternary chalcogenide semiconductors. This material is primarily of research interest for optoelectronic and photovoltaic applications, where its bandgap and optical properties may enable detection or energy conversion in specialized wavelength ranges. The mercury-containing composition presents both processing challenges and potential advantages in infrared or thermal imaging systems, though it remains less established in commercial production compared to binary (such as CdS) or ternary (such as CdZnS) alternatives.

infrared detectorsphotovoltaic researchoptoelectronic devices
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In2HgSe4

semiconductor

In₂HgSe₄ is a quaternary semiconductor compound belonging to the chalcogenide family, combining indium, mercury, and selenium in a specific stoichiometric ratio. This is a research-phase material studied for its electronic and optoelectronic properties, with potential applications in infrared detection and photovoltaic systems where wide bandgap semiconductors offer advantages over traditional binary or ternary compounds. The material's notable feature is its ability to operate in the infrared spectrum, making it potentially valuable for specialized detection and sensing applications where conventional semiconductors are limited.

infrared detectorssemiconductor researchoptoelectronic devices
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In2O3

semiconductor

Indium oxide (In₂O₃) is a transparent conducting oxide semiconductor with a wide bandgap, combining electrical conductivity with optical transparency in the visible spectrum. It is widely used in optoelectronic and photovoltaic applications, particularly as a transparent electrode material in liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs), and thin-film solar cells, often alloyed with tin (ITO) to enhance conductivity. Engineers select In₂O₃-based materials when applications require simultaneous light transmission and electrical function, though the material's indium content and cost drive consideration of alternative transparent conducting oxides in cost-sensitive applications.

transparent electrodesLCD and OLED displaysphotovoltaic devices
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In2P3B1O12

ceramic

In₂P₃B₁O₁₂ is an indium phosphorus borate ceramic compound, representing a mixed-anion ceramic system combining phosphate and borate networks with indium as the primary cation. This material falls within the family of complex oxyphosphate-borate ceramics, which are primarily investigated for specialized optical, electronic, and structural applications in research settings rather than established commercial production.

optical materials researchsolid-state electronicsphosphate-borate ceramics
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In2Pt

metal

In2Pt is an intermetallic compound composed of indium and platinum, belonging to the family of precious metal intermetallics. This material combines the properties of both elements to achieve enhanced mechanical strength and thermal stability compared to pure indium or platinum alone. In2Pt remains largely in the research and development phase, with potential applications in high-temperature electronics, advanced catalysis, and specialized alloy systems where the unique combination of a lightweight metal (indium) and a noble metal (platinum) offers corrosion resistance, chemical inertness, and elevated-temperature performance.

high-temperature electronicsresearch intermetallicscatalytic applications
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In2S3

semiconductor

Indium sulfide (In₂S₃) is a III-VI semiconductor compound with a direct bandgap, suitable for optoelectronic and photovoltaic applications. It appears primarily in research and emerging technology contexts rather than mature industrial production, where it is investigated for thin-film solar cells, photodetectors, and window layers in heterojunction devices due to its tunable bandgap and favorable optical properties compared to conventional alternatives like CdS.

thin-film photovoltaicswindow layers for solar cellsphotodetectors and UV sensing
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In2Se

semiconductor

In₂Se is a layered III-VI semiconductor compound composed of indium and selenium, belonging to the family of van der Waals materials with a naturally layered crystal structure. Currently primarily investigated in research and development contexts, In₂Se shows promise for next-generation optoelectronic and electronic devices due to its tunable bandgap, ferroelectric properties, and strong light-matter interactions. Engineers consider In₂Se for applications requiring thin-film devices, nonlinear optical response, or integration into heterogeneous semiconductor stacks where its layered nature enables mechanical exfoliation or epitaxial growth.

2D semiconductor researchoptoelectronic devicesferroelectric memory
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In2Se2O7

semiconductor

In₂Se₂O₇ is an indium selenite compound—a mixed-valence oxide-selenide semiconductor belonging to the family of metal chalcogenide oxides. This material is primarily investigated in research settings for its potential in optoelectronic and photocatalytic applications, where its layered crystal structure and tunable bandgap offer advantages over conventional binary semiconductors.

photocatalysis researchoptoelectronic devicesvisible-light absorption
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In2Se3

semiconductor

Indium selenide (In₂Se₃) is a III-VI semiconductor compound with a layered crystal structure, belonging to the family of transition metal chalcogenides. It is primarily of research and emerging technology interest rather than established industrial production, with potential applications in next-generation optoelectronic and energy conversion devices that exploit its direct bandgap and tunable electronic properties.

two-dimensional materials researchphotodetectors and image sensorssolar cells and photovoltaics
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In2(SO4)3

ceramic

Indium(III) sulfate is an inorganic ceramic compound formed from indium and sulfate ions, belonging to the family of transition metal sulfates. This material is primarily of research and specialized industrial interest rather than a commodity engineering ceramic, with potential applications in catalysis, materials synthesis, and electronic/optical device fabrication where indium's unique properties are exploited. Its use is limited compared to more common ceramics due to cost and specific functional requirements, but it serves niche roles in chemical processing and advanced materials development.

catalyst precursorsthin film depositionspecialty chemical synthesis
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In2Te

semiconductor

In₂Te is an indium telluride semiconductor compound belonging to the III-VI family of narrow bandgap materials. It is primarily of research and developmental interest rather than a mature commercial material, studied for infrared detection, thermal imaging, and photovoltaic applications where its narrow bandgap and telluride chemistry offer potential advantages in long-wavelength sensing. Compared to more established semiconductors like InSb or HgCdTe, In₂Te remains an exploratory compound whose practical deployment is limited, though the indium-tellurium material system is relevant to specialists in narrow-gap optoelectronics and space/defense sensing systems.

infrared detectorsthermal imaging sensorsnarrow-gap semiconductors
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In2Te3

ceramic

Indium telluride (In₂Te₃) is a binary semiconductor ceramic compound belonging to the III-VI family of materials. It is primarily of research and emerging-technology interest rather than a commodity engineering material, with potential applications in thermoelectric devices, infrared optics, and narrow-bandgap semiconductor applications where its thermal and electronic properties can be leveraged.

thermoelectric power generationinfrared detectors and opticssemiconductor research
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In3AgTe5

semiconductor

In₃AgTe₅ is a ternary semiconductor compound composed of indium, silver, and tellurium, belonging to the family of III–V and mixed-valence chalcogenides. This material is primarily of research interest rather than established in high-volume production, investigated for its potential in thermoelectric applications and narrow-bandgap optoelectronic devices where the combination of heavy elements and mixed-valence bonding can enable efficient charge transport and phonon scattering control.

thermoelectric cooling/power generationinfrared detectorsresearch semiconductors
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In3Au10

metal

In₃Au₁₀ is an intermetallic compound composed of indium and gold, belonging to the family of precious metal intermetallics that combine noble metal properties with ordered crystalline structures. This material is primarily of research and specialized industrial interest, used in applications requiring high electrical and thermal conductivity combined with corrosion resistance, such as advanced electronics, bonding layers in semiconductor packaging, and specialized optical coatings. The indium-gold system is notable for its relatively low melting point compared to other refractory intermetallics and its potential use in brazing and diffusion bonding applications where maintaining material integrity during thermal processing is critical.

semiconductor packaging and die attachthin-film interconnectshigh-reliability solder alternatives
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In3Bi7(Pb2S9)2

ceramic

In₃Bi₇(Pb₂S₉)₂ is a complex quaternary sulfide ceramic compound combining indium, bismuth, and lead sulfide phases. This is a research-stage material that belongs to the family of mixed-metal sulfide ceramics, which are of interest for thermoelectric applications and solid-state electronics due to their layered crystal structures and potential for phonon scattering. While not yet commercialized in mainstream engineering, materials in this compositional space are investigated for their ability to decouple electrical and thermal transport properties, making them candidates for waste-heat recovery and specialized semiconductor applications where conventional materials fall short.

thermoelectric deviceswaste heat recoverysolid-state electronics research
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In3CuS5

semiconductor

In₃CuS₅ is a ternary chalcogenide semiconductor compound composed of indium, copper, and sulfur, belonging to the I–III–VI₂ family of semiconductors. This material is primarily investigated in research contexts for photovoltaic and optoelectronic applications, where its tunable bandgap and relatively abundant constituent elements offer potential advantages over conventional cadmium-based alternatives. Its notable appeal lies in its non-toxic composition and potential for thin-film solar cells, though it remains an early-stage material with limited commercial deployment compared to established semiconductors.

thin-film photovoltaicssolar cellsoptoelectronic devices
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In3CuSe5

semiconductor

In₃CuSe₅ is a ternary semiconductor compound composed of indium, copper, and selenium, belonging to the chalcopyrite-related family of materials used in photovoltaic and optoelectronic devices. This material is primarily of research and development interest for thin-film solar cells and infrared detectors, where its direct bandgap and photosensitivity offer potential advantages over traditional silicon-based semiconductors in specialized wavelength applications. Engineers consider In₃CuSe₅ as an alternative absorber layer material in next-generation photovoltaic architectures, though it remains less commercially established than related compounds like CIGS (copper indium gallium diselenide), making it most relevant for emerging technologies and laboratory-scale device development.

thin-film solar cellsinfrared detectorsoptoelectronic devices
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In3Pd2

ceramic

In₃Pd₂ is an intermetallic compound combining indium and palladium, belonging to the class of metallic ceramics or intermetallics rather than traditional ceramics. This material is primarily of research and developmental interest, studied for its potential in high-temperature structural applications, electronics, and catalysis where the combination of indium's semiconducting tendencies and palladium's catalytic properties may offer advantages. Intermetallics like In₃Pd₂ are attractive alternatives to conventional alloys in specialized niches where improved stiffness-to-weight ratios, thermal stability, or surface reactivity are critical, though processing and brittleness challenges typically limit current industrial deployment.

intermetallic research compoundshigh-temperature structural applicationscatalytic surface materials
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In3Pd5

ceramic

In3Pd5 is an intermetallic compound composed of indium and palladium, belonging to the class of metallic ceramics or intermetallics rather than traditional ceramics. This material is primarily of research and development interest, studied for its potential in catalysis, electronics, and advanced functional applications where the combined properties of indium and palladium offer unique electrochemical or thermal characteristics. Engineers and materials scientists investigating In3Pd5 typically target niche applications in catalytic converters, hydrogen storage, or semiconductor-related systems where the indium-palladium system's reactivity and electronic properties may provide advantages over conventional single-metal or simpler binary alloys.

catalytic applicationsresearch compoundsintermetallic systems
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In3Sb

ceramic

Indium antimonide (In₃Sb) is a narrow-bandgap III-V semiconductor ceramic compound used primarily in infrared detection and optoelectronic applications. This material is valued for its sensitivity in the infrared spectrum and high carrier mobility, making it suitable for thermal imaging sensors, night vision systems, and photovoltaic devices operating in specialized wavelength ranges where alternative semiconductors are less effective.

infrared detectorsthermal imaging sensorsoptoelectronic devices
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In3Sn3Au4

metal

In₃Sn₃Au₄ is an intermetallic compound combining indium, tin, and gold—a ternary metallic system typically studied in the context of advanced solder materials and electronic packaging. This material belongs to the family of precious-metal-bearing solders and interconnect alloys, representing a research-phase composition explored for high-reliability microelectronic bonding where conventional lead-free solders may be insufficient.

microelectronic solderhigh-reliability interconnectsflip-chip bonding
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In49Pd51

ceramic

In49Pd51 is an intermetallic compound composed of indium and palladium in near-equiatomic proportions, belonging to the class of metallic intermetallics rather than traditional ceramics. This material is primarily of research and development interest, investigated for applications requiring thermal stability, electrical conductivity, and corrosion resistance at elevated temperatures. Its use in production engineering remains limited, but the In-Pd system is explored for specialized applications in electronics, catalysis, and high-temperature structural components where the combination of indium's and palladium's properties offers potential advantages over conventional alloys.

High-temperature electronicsCatalyst supportsBrazing alloys
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In4As5(BrO4)3

ceramic

In₄As₅(BrO₄)₃ is an indium arsenide-based compound ceramic containing bromate functional groups, representing a mixed-metal oxyhalide ceramic system that is primarily of research and experimental interest rather than established industrial production. This material belongs to an emerging class of complex ternary/quaternary ceramics combining semiconducting (InAs) and ionic (bromate) components, which may offer potential applications in specialized electronic, photonic, or thermal management systems pending further development and characterization. The inclusion of both arsenide and bromate chemistries suggests this compound is under investigation for niche applications requiring unusual combinations of electrical, optical, or thermal properties not easily achieved with conventional ceramics.

experimental semiconductorsphotonic materials researchspecialized electronic ceramics
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In4As5O12Br3

ceramic

In₄As₅O₁₂Br₃ is an indium arsenate bromide ceramic compound belonging to the family of mixed-valence metal oxyhalides. This is a research-phase material with limited commercial application; it represents exploratory work in complex ceramic systems combining arsenic oxides with halide chemistry, potentially relevant to specialty optoelectronic or catalytic applications where layered or framework structures are desired.

Research ceramicsOptoelectronic materialsExperimental catalysts
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