CsCuSb2S4

semiconductor

· CsCuSb2S4

CsCuSb2S4 is a quaternary chalcogenide semiconductor compound combining cesium, copper, antimony, and sulfur in a layered crystal structure. This material is primarily under research investigation for photovoltaic and thermoelectric applications, belonging to the broader family of metal chalcogenides that show promise for energy conversion due to their tunable bandgap and earth-abundant elemental composition. While not yet deployed in commercial products, CsCuSb2S4 represents an alternative to lead-halide perovskites and conventional silicon for next-generation solar cells, offering potential advantages in stability and non-toxicity.

photovoltaic researchthin-film solar cellsthermoelectric deviceslead-free semiconductorsearth-abundant materialschalcogenide optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.700	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.

CsCuSb2S4

Electrical Properties

Regulatory Screening

Environmental

Export Control