Synthesis in ionic liquids

[Bi2Te2Br](AlCl 4), a direct gap semiconductor with a cationic framework

Kanishka Biswas, Qichun Zhang, In Chung, Jung Hwan Song, John Androulakis, Arthur J Freeman, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

94 Citations (Scopus)

Abstract

The Lewis acidic ionic liquid EMIMBr-AlCl3 (EMIM = 1-ethyl-3-methylimidazolium) allows a novel synthetic route to the semiconducting layered metal chalcogenides halide [Bi2Te 2Br]-(AlCl4) and its Sb analogue. [Bi2Te 2Br](AlCl4) is a direct band gap, strongly anisotropic semiconductor and consists of cationic infinite layers of [Bi2Te 2Br]+ and [AlCl4] anions inserted between the layers.

Original languageEnglish
Pages (from-to)14760-14762
Number of pages3
JournalJournal of the American Chemical Society
Volume132
Issue number42
DOIs
Publication statusPublished - Oct 27 2010

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Ionic Liquids
Chalcogenides
Semiconductors
Ionic liquids
Anions
Energy gap
Negative ions
Metals
Semiconductor materials
aluminum chloride
1-ethyl-3-methylimidazolium

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Synthesis in ionic liquids : [Bi2Te2Br](AlCl 4), a direct gap semiconductor with a cationic framework. / Biswas, Kanishka; Zhang, Qichun; Chung, In; Song, Jung Hwan; Androulakis, John; Freeman, Arthur J; Kanatzidis, Mercouri G.

In: Journal of the American Chemical Society, Vol. 132, No. 42, 27.10.2010, p. 14760-14762.

Research output: Contribution to journalArticle

Biswas, Kanishka ; Zhang, Qichun ; Chung, In ; Song, Jung Hwan ; Androulakis, John ; Freeman, Arthur J ; Kanatzidis, Mercouri G. / Synthesis in ionic liquids : [Bi2Te2Br](AlCl 4), a direct gap semiconductor with a cationic framework. In: Journal of the American Chemical Society. 2010 ; Vol. 132, No. 42. pp. 14760-14762.
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