KCu2GeS4

metal

· JVASP-100479· KCu2GeS4

KCu2GeS4 is a ternary chalcogenide compound combining potassium, copper, germanium, and sulfur—a class of materials studied for semiconductor and photovoltaic applications. This is primarily a research compound rather than a production material, investigated for its potential in thin-film solar cells, photodetectors, and other optoelectronic devices where the bandgap and crystal structure of sulfide semiconductors offer advantages over conventional alternatives.

photovoltaic researchthin-film solar cellsphotodetectorssemiconductor deviceschalcogenide materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.701	kg/m³	—

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)	0.06150	eV/atom	—
Formation Energy(ΔHf)	-0.5486	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.

KCu2GeS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control