Cu2SiS3

metal

· JVASP-57172· Cu2SiS3

Cu2SiS3 is a ternary copper silicide sulfide compound that belongs to the family of mixed-metal chalcogenides. This is a research-phase material rather than an established engineering material; it is primarily investigated for its semiconductor and photovoltaic properties, particularly in thin-film solar cell absorber layers and light-harvesting applications where the combination of copper, silicon, and sulfur offers potential band-gap engineering and cost advantages over conventional alternatives.

photovoltaic absorbersthin-film solar cellssemiconductor deviceslight-harvesting materialsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.841	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-103.5	µV/K	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1284	eV/atom	—
Formation Energy(ΔHf)	-0.3769	eV/atom	—

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.

Cu2SiS3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control