Cu3SbSe4

semiconductor

· Cu3SbSe4

Cu3SbSe4 is a ternary semiconductor compound belonging to the chalcogenide family, composed of copper, antimony, and selenium. This material is primarily of research and development interest for thermoelectric and photovoltaic applications, where its narrow bandgap and crystal structure offer potential for energy conversion and heat harvesting. While not yet widely deployed in mainstream commercial products, Cu3SbSe4 and related copper-antimony chalcogenides are being investigated as alternatives to lead-based thermoelectrics and as absorber layers in next-generation solar cells due to their tunable electronic properties and earth-abundant constituent elements.

thermoelectric power generationsolar photovoltaic researchheat energy harvestingsemiconducting compounds developmentlow-bandgap absorber materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2013	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.4000	eV	—
↳	0.3100	eV	—
↳	0.000	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)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.1762	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.

Cu3SbSe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control