CuSeI — Properties & Data | MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	42.31	GPa	DFT · OptB88vdW
Shear Modulus(G)	-21.87	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.413	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.6752	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.5708	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

CuSeI

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control