Lead selenide
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Lead selenide (PbSe), or lead(II) selenide, a selenide of lead, is a semiconductor material. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature. (Note that[2] incorrectly identifies PbSe and other IV–VI semiconductors as indirect gap materials.) [3] A grey solid, it is used for manufacture of infrared detectors for thermal imaging.[4] The mineral clausthalite is a naturally occurring lead selenide.
Quick Facts Names, Identifiers ...
Names | |
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Other names
Lead(II) selenide Clausthalite | |
Identifiers | |
3D model (JSmol) |
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ECHA InfoCard | 100.031.906 |
EC Number |
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PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
PbSe | |
Molar mass | 286.16 g/mol |
Melting point | 1,078 °C (1,972 °F; 1,351 K) |
Structure | |
Halite (cubic), cF8 | |
Fm3m, No. 225 | |
Octahedral (Pb2+) Octahedral (Se2−) | |
Hazards | |
GHS labelling: | |
Danger | |
H301, H302, H331, H332, H360, H373, H410 | |
P201, P202, P260, P261, P264, P270, P271, P273, P281, P301+P310, P301+P312, P304+P312, P304+P340, P308+P313, P311, P312, P314, P321, P330, P391, P403+P233, P405, P501 | |
Related compounds | |
Other anions |
Lead(II) oxide Lead(II) sulfide Lead telluride |
Other cations |
Carbon monoselenide Silicon monoselenide Germanium(II) selenide Tin(II) selenide |
Related compounds |
Thallium selenide Bismuth selenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It may be formed by direct reaction between its constituent elements, lead and selenium.