Lead selenide
Lead selenide
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Lead selenide (PbSe) is a semiconductor material with a cubic crystal structure. It is a compound of lead and selenium. Lead selenide is known for its use in infrared detectors and infrared optics.
Properties[edit | edit source]
Lead selenide is a narrow bandgap semiconductor with a bandgap of approximately 0.27 eV at room temperature. It has a high absorption coefficient and is sensitive to infrared radiation in the 1.5 to 5.2 micrometer range. This makes it useful in thermal imaging and infrared spectroscopy.
Applications[edit | edit source]
Lead selenide is used in the manufacture of infrared photodetectors, which are employed in various applications such as night vision, thermal cameras, and gas sensing. Its ability to detect infrared radiation makes it valuable in environmental monitoring and medical diagnostics.
Safety and Handling[edit | edit source]
Lead selenide, like other lead compounds, is toxic and should be handled with care. Proper safety precautions should be taken to avoid lead poisoning. It is important to use personal protective equipment when handling this material and to follow safety guidelines for disposal.
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