Indium(III) selenide
| Names | |
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IUPAC name
Indium(III) selenide
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| Other names
indium selenide, indium sesquiselenide
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| Identifiers | |
12056-07-4 
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| ECHA InfoCard | 100.031.821 |
| PubChem | 166055 |
| Properties | |
| In2Se3 | |
| Molar mass | 466.516 g/mol |
| Appearance | black crystalline solid |
| Density | 5.80 g/cm³ |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Indium(III) selenide is a compound of indium and selenium. It has potential for use in photovoltaic devices and it has been the subject of extensive research. The two most common phases, α and β, have a layered structure, while γ is a "defect wurtzite structure." In all, there are five known forms (α, β, γ, δ, κ). The α- β phase transition is accompanied by a change in electrical conductivity. The band-gap of γ-In2Se3 is approximately 1.9 eV. The crystalline form of a sample can depend on the method of production, for example thin films of pure γ-In2Se3 have been produced from trimethylindium, InMe3, and hydrogen selenide, H2Se, using MOCVD techniques.
Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN .
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