Cu2SnSe3

semiconductor

· Cu2SnSe3

Cu2SnSe3 is a ternary semiconductor compound combining copper, tin, and selenium—a member of the chalcogenide family of materials. This compound is primarily explored in research and emerging device applications rather than established high-volume production, with potential advantages in photovoltaic and thermoelectric energy conversion due to its tunable bandgap and relatively abundant constituent elements compared to more exotic semiconductors.

thin-film photovoltaicsthermoelectric power generationinfrared optoelectronicsnext-generation solar cellsmaterials research & developmentsemiconductor device engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	42.81	GPa	—
Shear Modulus(G)	-16.65	GPa	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.574	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7000	eV	—
↳	0.03950 range 0.000–0.07900median of 2 measurements	eV	—
Magnetic Moment(μB)	0.000	µB	—

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01750	eV/atom	—
Formation Energy(ΔHf)	-0.2905	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.

Cu2SnSe3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control