Cu2GeS3

semiconductor

· Cu2GeS3

Cu₂GeS₃ is a quaternary semiconductor compound combining copper, germanium, and sulfur, belonging to the family of chalcogenide semiconductors with potential for optoelectronic and photovoltaic applications. This material exists primarily in research and development contexts rather than as an established commercial product, where it is being investigated for thin-film solar cells, photodetectors, and other light-energy conversion devices due to its tunable bandgap and earth-abundant constituent elements. Interest in Cu₂GeS₃ stems from its potential to replace rare or toxic semiconductor materials while offering favorable optical and electronic properties for next-generation energy harvesting systems.

thin-film solar cellsphotodetectorslight-energy conversion researchchalcogenide semiconductorsphotovoltaic devicesoptoelectronic components

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1565	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5300	eV	—
↳	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-128.8	µV/K	—

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)	0.00330	eV/atom	—
Formation Energy(ΔHf)	-0.3796	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.

Cu2GeS3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control