CsCu2SbS3

semiconductor

· CsCu2SbS3

CsCu₂SbS₃ is a quaternary chalcogenide semiconductor compound combining cesium, copper, antimony, and sulfur in a layered or complex crystal structure. This material is primarily of research and development interest rather than established industrial production, belonging to the family of copper-based sulfide semiconductors with potential for photovoltaic and thermoelectric applications. Its appeal lies in earth-abundant constituent elements and tunable optoelectronic properties compared to toxic or rare-earth-dependent alternatives, though it remains in the early evaluation phase for commercial viability.

experimental photovoltaic devicesthin-film solar cellsthermoelectric energy conversionoptoelectronic materials researchnext-generation semiconductors

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.630	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.

CsCu2SbS3

Electrical Properties

Regulatory Screening

Environmental

Export Control