Pb0.8Ge0.2Se is a lead-germanium selenide alloy, a narrow-bandgap semiconductor compound belonging to the IV-VI semiconductor family used primarily in infrared optoelectronic devices. This material is engineered for mid- to far-infrared detection and sensing applications where thermal imaging, gas sensing, and spectroscopy require sensitive response in the 3–15 μm wavelength range. Lead selenide-based alloys like this are valued for their tunable bandgap through germanium doping and superior infrared responsivity compared to conventional silicon or III-V alternatives, making them the preferred choice for low-temperature or cryogenic infrared detectors in scientific instrumentation and thermal imaging systems.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.3500 | eV | — |