In3CuSe5

semiconductor

· In3CuSe5

In₃CuSe₅ is a ternary semiconductor compound composed of indium, copper, and selenium, belonging to the chalcopyrite-related family of materials used in photovoltaic and optoelectronic devices. This material is primarily of research and development interest for thin-film solar cells and infrared detectors, where its direct bandgap and photosensitivity offer potential advantages over traditional silicon-based semiconductors in specialized wavelength applications. Engineers consider In₃CuSe₅ as an alternative absorber layer material in next-generation photovoltaic architectures, though it remains less commercially established than related compounds like CIGS (copper indium gallium diselenide), making it most relevant for emerging technologies and laboratory-scale device development.

thin-film solar cellsinfrared detectorsoptoelectronic devicesphotovoltaic researchsemiconductor absorber layersemerging photovoltaic technologies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1948	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.6000	eV	—
↳	0.2030	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00980	eV/atom	—
Formation Energy(ΔHf)	-0.4770	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.

In3CuSe5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control