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Indium(III) selenide
| Names | |
|---|---|
| IUPAC name
Indium(III) selenide
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| Other names
indium selenide, indium sesquiselenide
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| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.031.821 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| In2Se3 | |
| Molar mass | 466.516 g/mol |
| Appearance | black crystalline solid |
| Density | 5.80 g/cm³ |
| Hazards | |
| GHS labelling:[1] | |
_selenide&sq=&lang=&file=File:GHS-pictogram-skull.svg) _selenide&sq=&lang=&file=File:GHS-pictogram-silhouette.svg) _selenide&sq=&lang=&file=File:GHS-pictogram-pollu.svg)
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| Danger | |
| H301, H331, H373, H410 | |
| P260, P261, P264, P270, P271, P273, P301+P316, P304+P340, P316, P319, P321, P330, P391, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Indium(III) selenide is a compound of indium and selenium. It has potential for use in photovoltaic devices and has been the subject of extensive research. The two most common phases, α and β, have a layered structure, while γ has a "defect wurtzite structure." In all, five polymorphs are known: α, β, γ, δ, κ.[1] The α-β phase transition is accompanied by a change in electrical conductivity.[2] The band gap of γ-In2Se3 is approximately 1.9 eV.
- ^ Crystal structure of κ-In2Se3. Jasinski, J.; Swider, W.; Washburn, J.; Liliental-Weber, Z.; Chaiken, A.; Nauka, K.; Gibson, G. A.; Yang, C. C. Applied Physics Letters, Volume 81, Issue 23, id. 4356 (2002) doi:10.1063/1.1526925
- ^ Some Electrical and Optical Properties of In2Se3 D. Bidjin, S. Popovi, B. Elustka Physica Status Solidi A Volume 6, Issue 1, Pages 295 – 299 doi:10.1002/pssa.2210060133
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