Cu2 In2 Te4

semiconductor
· Cu2 In2 Te4

Cu₂In₂Te₄ is a quaternary semiconductor compound belonging to the I-III-VI family of chalcogenides, characterized by a layered crystal structure and direct bandgap properties. This material is primarily investigated in research contexts for photovoltaic and optoelectronic applications, where its tunable bandgap and potential for high absorption coefficients make it a candidate for next-generation solar cells and infrared detectors. Engineers consider Cu₂In₂Te₄ and related ternary/quaternary telluride semiconductors as alternatives to conventional thin-film absorbers (CdTe, Cu(In,Ga)Se₂) when seeking improved stability, non-toxic compositions, or application-specific optical properties in early-stage device development.

thin-film photovoltaicsinfrared detectorsoptoelectronic researchsolar cell absorberssemiconductor device prototypingchalcogenide-based electronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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Pa——
Shear Modulus(G)
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Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
—
eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.