CsCu(SbS2)2

semiconductor

· CsCu(SbS2)2

CsCu(SbS₂)₂ is a ternary chalcogenide semiconductor compound combining cesium, copper, and antimony sulfide units in a layered crystal structure. This is a research-phase material primarily of interest for photovoltaic and thermoelectric applications where narrow bandgap semiconductors and high charge-carrier mobility are advantageous. The compound represents an emerging class of halide-free perovskite alternatives and sulfide-based semiconductors being explored to overcome stability and toxicity limitations of conventional photovoltaic absorbers.

thin-film photovoltaicsthermoelectric devicesinfrared detectorsperovskite alternatives researchsolid-state electronics prototypingnext-generation solar cells

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.

CsCu(SbS2)2

Electrical Properties

Regulatory Screening

Environmental

Export Control