Cu2CdSnS4

semiconductor
· Cu2CdSnS4

Cu2CdSnS4 is a quaternary chalcogenide semiconductor compound belonging to the family of multinary sulfides, specifically a stannite-structure material combining copper, cadmium, tin, and sulfur. This compound is primarily of research and development interest for thin-film photovoltaic applications, where its tunable bandgap and earth-abundant constituent elements (except cadmium) position it as a potential alternative to commercial kesterite solar cells. While not yet commercialized at scale, Cu2CdSnS4 is notable in the materials science community for its crystallographic versatility and potential for cost-effective solar energy conversion, though cadmium toxicity concerns and processing challenges remain barriers compared to emerging lead-free perovskite and kesterite competitors.

thin-film photovoltaicssolar cellsabsorber layersoptoelectronic devicesmaterials research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
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.