Cd2 Cu4 Ge2 S8

semiconductor

· Cd2 Cu4 Ge2 S8

Cd₂Cu₄Ge₂S₈ is a quaternary sulfide semiconductor compound combining cadmium, copper, germanium, and sulfur in a fixed stoichiometric ratio. This material belongs to the family of multinary chalcogenides and is primarily of research and developmental interest rather than established high-volume industrial production. The compound is investigated for potential applications in photovoltaic energy conversion, nonlinear optical devices, and thermoelectric systems, where its tunable bandgap and mixed-metal composition may offer advantages in light absorption or charge transport compared to simpler binary or ternary sulfide semiconductors.

photovoltaic absorber layersthermoelectric devicesnonlinear optical applicationsoptoelectronic researchexperimental solar cellssemiconductor research & development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.4617	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4600	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.

Cd2 Cu4 Ge2 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control