Cu0.5Pb1.75GeS4

semiconductor

· Cu0.5Pb1.75GeS4

Cu0.5Pb1.75GeS4 is a quaternary sulfide semiconductor compound combining copper, lead, germanium, and sulfur elements. This material belongs to the family of lead-germanium sulfides and is primarily of research interest for thermoelectric and optoelectronic applications, where its band structure and phonon-scattering properties may offer advantages in energy conversion or light emission/detection at infrared wavelengths. Engineers and materials researchers evaluate such compounds as alternatives to more common semiconductors when seeking improved thermal-to-electrical conversion efficiency, reduced thermal conductivity, or tailored optical responses in niche applications.

thermoelectric energy conversioninfrared optoelectronicsexperimental photovoltaicssolid-state researchlead-based semiconductorsthermal management devices

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.

Cu0.5Pb1.75GeS4

Electrical Properties

Regulatory Screening

Environmental

Export Control