CsCu2AsS3

semiconductor

· CsCu2AsS3

CsCu2AsS3 is a quaternary chalcogenide semiconductor compound combining cesium, copper, arsenic, and sulfur elements. This material belongs to the family of mixed-metal sulfide semiconductors and is primarily investigated in research settings for its potential in photovoltaic and optoelectronic applications, where its bandgap and crystal structure may offer advantages in light absorption or conversion efficiency compared to more common binary semiconductors.

photovoltaic researchoptoelectronic devicessolar cell developmentnonlinear optical materialsthin-film semiconductorsmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.300	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.

CsCu2AsS3

Electrical Properties

Regulatory Screening

Environmental

Export Control