Cu2 Ge1 Se4

semiconductor
· Cu2 Ge1 Se4

Cu2GeS4 is a quaternary semiconductor compound belonging to the diamond-like structure family, characterized by a direct bandgap and potential for optoelectronic and photovoltaic applications. This material is primarily investigated in research settings for infrared detectors, solar cells, and nonlinear optical devices, where its tunable electronic properties and relatively high absorption coefficient offer advantages over binary semiconductors like CdTe or CdSe. Although not yet widely commercialized, Cu2GeS4 and related chalcogenides represent a promising alternative semiconductor family for next-generation energy conversion and sensing applications, particularly where earth-abundant constituent elements and reduced toxicity compared to cadmium-based materials are design priorities.

infrared photodetectorsthin-film solar cellsnonlinear optical devicesradiation sensingthermoelectric materials researchoptoelectronic device prototyping

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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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)
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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.