Ge4 Pb4 S12 — Properties & Data | MatWorld

Ge4 Pb4 S12

semiconductor

· Ge4 Pb4 S12

Ge₄Pb₄S₁₂ is a mixed-metal chalcogenide compound belonging to the family of IV-VI semiconductors, combining germanium, lead, and sulfur in a tetrahedral framework structure. This material is primarily of research and developmental interest rather than established commercial production, investigated for its potential in thermoelectric energy conversion and infrared optoelectronic applications due to the band gap engineering possible through its mixed-cation composition. The compound represents an experimental approach to tuning thermal and electrical transport properties by combining the heavy-atom characteristics of lead with germanium's semiconductor framework, offering a potential alternative to binary lead chalcogenides for temperature-dependent applications.

thermoelectric power generationinfrared detectorsthermal energy harvestingoptoelectronic researchnarrow-gap semiconductorswaste heat recovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.658	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4960	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Ge4 Pb4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control