Cu2ZnGeS4

semiconductor

· Cu2ZnGeS4

Cu2ZnGeS4 is a quaternary chalcogenide semiconductor compound belonging to the kesterite family, structurally related to CZTS (copper zinc tin sulfide) but with germanium substituting tin. This material is primarily investigated in photovoltaic and optoelectronic research contexts rather than established commercial production, offering potential advantages in thin-film solar cells, light-emitting devices, and photodetectors due to its tunable bandgap and earth-abundant constituent elements. Engineers and researchers consider kesterite-based compounds like Cu2ZnGeS4 as alternatives to conventional silicon or CdTe solar technologies because they promise lower toxicity, cost-effective scaling, and compatibility with flexible substrate manufacturing, though the material remains in the development phase with ongoing challenges in efficiency and phase stability.

thin-film photovoltaicssolar cellsoptoelectronic devicesphotodetectorsresearch semiconductorsearth-abundant materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.100	eV	—

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.

Cu2ZnGeS4

Electrical Properties

Regulatory Screening

Environmental

Export Control