Cu0.5Ge1Pb1.75S4

semiconductor

· Cu0.5Ge1Pb1.75S4

Cu0.5Ge1Pb1.75S4 is a quaternary sulfide semiconductor compound belonging to the famatinite mineral family, designed for thermoelectric and photovoltaic energy conversion applications. This material is primarily of research and early-development interest rather than established commercial production, investigated for its potential in solid-state energy harvesting where low thermal conductivity and moderate bandgap make it attractive relative to conventional semiconductors. The lead and copper-germanium-sulfide system offers tunable electronic properties that researchers explore for waste heat recovery, solar cells, and other temperature-dependent semiconductor devices.

thermoelectric energy harvestingwaste heat recoveryphotovoltaic researchsolid-state cooling devicesexperimental semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.480	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.

Cu0.5Ge1Pb1.75S4

Electrical Properties

Regulatory Screening

Environmental

Export Control