CuSeI

metal
· JVASP-115971· CuSeI

CuSeI is a ternary copper selenide iodide compound that combines copper, selenium, and iodine in a single crystalline phase. This material is primarily of research interest for semiconductor and optoelectronic applications, where mixed-halide and chalcogenide compounds are being explored for photovoltaic cells, photodetectors, and solid-state ionic conductors. While not yet established in mainstream industrial production, compounds in this family are notable for their tunable bandgap and potential for low-cost, solution-processable device fabrication compared to conventional silicon-based alternatives.

perovskite researchphotovoltaic devicesphotodetectorsionic conductorssemiconductor researchthin-film applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.