Indium(III) selenide
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| Template:Longitem | In2Se3 |
| Molar mass | 466.516 g/mol |
| Appearance | black crystalline solid |
| Density | 5.80 g/cm³ |
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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.
Preparation
The method of production influences the polymorph generated. For example, thin films of pure γ-In2Se3 have been produced from trimethylindium (InMe3) and hydrogen selenide via MOCVD techniques.[3]
A conventional route entails heating the elements in a sealed tube:[4]
See also
General references
Footnotes
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- ↑ 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) Script error: No such module "CS1 identifiers".
- ↑ Some Electrical and Optical Properties of In2Se3 D. Bidjin, S. Popovi, B. Elustka Physica Status Solidi A Volume 6, Issue 1, Pages 295 – 299 Script error: No such module "CS1 identifiers".
- ↑ Growth of single-phase In2Se3 by using metal organic chemical vapor deposition with dual-source precursors Chang, K. J.; Lahn, S. M.; Chang, J. Y. Applied Physics Letters, Volume 89, Issue 18, id. 182118 (3 pages) (2006). Script error: No such module "CS1 identifiers".
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