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|Molar mass||386.72 g/mol|
|Melting point||360 °C (680 °F; 633 K)|
|Crystal structure||Monoclinic, mP20, SpaceGroup = P21/c, No. 14
mP20 P21/c 14
|EU classification||not listed|
|diarsenic trioxide, diarsenic trisulfide, arsenic tribromide, arsenic(III) telluride|
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
|what is: / ?)(|
Arsenic triselenide is covalently bonded. Even so, the arsenic has a formal oxidation state of +3.
Thin film selenide glasses have emerged as an important material for integrated photonics due to its high refractive index, mid-IR transparency and high non-linear optical indices. High-quality As2Se3 glass films can be deposited from spin coating method from ethylenediamine solutions.
Arsenic triselenide should be kept away from strong bases in contact with aluminium or zinc and strong acids.
- Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–43, ISBN 0-8493-0594-2
- Yi Zou, Hongtao Lin, Okechukwu Ogbuu, Lan Li, Sylvain Danto, Spencer Novak, Jacklyn Novak, J. David Musgraves, Kathleen Richardson, and Juejun Hu, “Effect of annealing conditions on the physio-chemical properties of spin-coated As2Se3 chalcogenide glass films,” Optical Materials Express, Vol. 2, Issue 12, pp. 1723-1732 (2012).
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