Cu3GeSe4

metal

· JVASP-155396· Cu3GeSe4

Cu3GeSe4 is a quaternary chalcogenide compound composed of copper, germanium, and selenium. This material belongs to the family of semiconducting chalcogenides and is primarily investigated in research contexts for its potential thermoelectric and optoelectronic properties. The compound is of scientific interest because of its tunable bandgap and layered crystal structure, making it a candidate for next-generation photovoltaic devices, thermoelectric generators, and related energy conversion applications where semiconductors with mixed-metal compositions offer advantages over binary or ternary alternatives.

Thermoelectric energy conversionPhotovoltaic researchSemiconductor devicesOptoelectronic materialsAdvanced materials R&DSolar cell development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8,621	ksi	—
Shear Modulus(G)	-2,174.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2002	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2493	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.

Cu3GeSe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control