CuSe

metal
· CuSe

CuSe is a copper selenide compound that exhibits semiconductor and metallic properties depending on its crystal phase and stoichiometry. It is primarily investigated in research and emerging technology contexts rather than as a conventional engineering material, with applications centered on photovoltaic devices, thermoelectric energy conversion, and optoelectronic components. Engineers considering CuSe typically evaluate it for niche applications requiring copper's thermal/electrical conductivity combined with selenium's semiconductor characteristics, though material availability, phase stability, and processing complexity limit its adoption compared to established alternatives like copper alloys or silicon-based semiconductors.

photovoltaic cellsthermoelectric generatorsoptoelectronic devicesresearch semiconductorsthermal management coatingsemerging energy conversion

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
9,479.8
ksi—
↳
5,235.9
ksi—
Poisson's Ratio(ν)
0.3400
-—
Shear Modulus(G)2 entries
2,038.9
ksi—
↳
2,094.3
ksi—
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2189
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
15.50
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.05330
eV/atom—
Formation Energy(ΔHf)2 entries
-0.2166
eV/atom—
↳
-0.08099
eV/atom—
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.
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.