Biswas, Kanishka ; Chung, In ; Song, Jung-Hwan ; Malliakas, Christos D. ; Freeman, Arthur J. ; Kanatzidis, Mercouri G. (2013) Semiconducting [(Bi4Te4Br2)(Al2Cl6–xBrx)]Cl2 and [Bi2Se2Br](AlCl4): Cationic Chalcogenide Frameworks from Lewis Acidic Ionic Liquids Inorganic Chemistry, 52 (10). pp. 5657-5659. ISSN 0020-1669
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Official URL: http://doi.org/10.1021/ic400782c
Related URL: http://dx.doi.org/10.1021/ic400782c
Abstract
Lewis acidic organic ionic liquids provide a novel synthetic medium to prepare new semiconducting chalcogenides, [(Bi4Te4Br2)(Al2Cl5.46Br0.54)]Cl2 (1) and [Bi2Se2Br](AlCl4) (2). Compound 1 features a cationic [(Bi4Te4Br2)(Al2Cl5.46Br0.54)]2+ three-dimensional framework, while compound 2 consists of cationic layers of [Bi2Se2Br]2+. Spectroscopically measured band gaps of 1 and 2 are ∼0.6 and ∼1.2 eV, respectively. Thermoelectric power measurements of single crystals of 1 indicate an n-type semiconductor.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society |
| ID Code: | 128180 |
| Deposited On: | 03 Nov 2022 05:51 |
| Last Modified: | 03 Nov 2022 05:51 |
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