Pb4Ga5GeS12

semiconductor

· Pb4Ga5GeS12

Pb₄Ga₅GeS₁₂ is a quaternary semiconductor compound belonging to the sulfide family, composed of lead, gallium, germanium, and sulfur. This material is primarily of research interest for infrared photonics and nonlinear optical applications, where its wide bandgap and sulfide-based crystal structure offer potential advantages over conventional semiconductors in mid-infrared transmission and frequency conversion. While not yet widely deployed in mainstream industrial production, compounds in this family are being investigated as alternatives to more toxic or less efficient materials for specialized optical devices and detectors operating in wavelength regions beyond silicon's capabilities.

infrared photonics (research)nonlinear optical devicesmid-infrared detectorsfrequency conversion opticssemiconductor researchoptical window materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.350	eV	—

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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.

Pb4Ga5GeS12

Electrical Properties

Regulatory Screening

Environmental

Export Control