Ag0.5Pb1.75GeS4

semiconductor

· Ag0.5Pb1.75GeS4

Ag0.5Pb1.75GeS4 is a mixed-metal sulfide semiconductor compound belonging to the quaternary chalcogenide family, combining silver, lead, germanium, and sulfur in a fixed stoichiometric ratio. This is a research-phase material studied primarily for its potential in infrared optics, nonlinear optical devices, and thermoelectric applications, where the combination of heavy-metal cations and sulfide anions can yield useful band gaps and phonon properties. The material represents an experimental approach to engineering wide-gap or narrow-gap semiconductors for mid-infrared sensing and energy conversion, with advantages over simpler binary or ternary sulfides in tuning electronic and optical response.

infrared optics and sensorsnonlinear optical devicesthermoelectric energy conversionresearch semiconductorsmid-IR detector windowschalcogenide optical materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.830	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.

Ag0.5Pb1.75GeS4

Electrical Properties

Regulatory Screening

Environmental

Export Control