{[Ga(en)3]2(Ge2Te15) n: A polymeric semiconducting polytelluride with boat-shaped Te 84- rings and cross-shaped Te5 6-units

Qichun Zhang, Christos D. Malliakas, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

The reaction of the Zintl compound K4Ge9 with Te and Ga2Te3 in ethylenediamine (en) at 190 °C gave the germanium polytelluride {[Ga(en)3]2[(GeTe) 2(Te5)6-(Te8)4-]}n (1). The single-crystal structure analysis revealed that 1 has two different polytelluride fragments: cross-shaped 36-e- TeTe4 6- anions and boat-shaped 52-e- Te8 4- rings. The new material is a p-type semiconductor at room temperature and switches to n-type at 380 K.

Original languageEnglish
Pages (from-to)10910-10912
Number of pages3
JournalInorganic Chemistry
Volume48
Issue number23
DOIs
Publication statusPublished - 2009

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ethylenediamine
boats
Boats
Germanium
p-type semiconductors
rings
Anions
germanium
switches
Crystal structure
Switches
fragments
Single crystals
Semiconductor materials
anions
crystal structure
single crystals
room temperature
Temperature

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

{[Ga(en)3]2(Ge2Te15) n : A polymeric semiconducting polytelluride with boat-shaped Te 84- rings and cross-shaped Te5 6-units. / Zhang, Qichun; Malliakas, Christos D.; Kanatzidis, Mercouri G.

In: Inorganic Chemistry, Vol. 48, No. 23, 2009, p. 10910-10912.

Research output: Contribution to journalArticle

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abstract = "The reaction of the Zintl compound K4Ge9 with Te and Ga2Te3 in ethylenediamine (en) at 190 °C gave the germanium polytelluride {[Ga(en)3]2[(GeTe) 2(Te5)6-(Te8)4-]}n (1). The single-crystal structure analysis revealed that 1 has two different polytelluride fragments: cross-shaped 36-e- TeTe4 6- anions and boat-shaped 52-e- Te8 4- rings. The new material is a p-type semiconductor at room temperature and switches to n-type at 380 K.",
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T2 - A polymeric semiconducting polytelluride with boat-shaped Te 84- rings and cross-shaped Te5 6-units

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AB - The reaction of the Zintl compound K4Ge9 with Te and Ga2Te3 in ethylenediamine (en) at 190 °C gave the germanium polytelluride {[Ga(en)3]2[(GeTe) 2(Te5)6-(Te8)4-]}n (1). The single-crystal structure analysis revealed that 1 has two different polytelluride fragments: cross-shaped 36-e- TeTe4 6- anions and boat-shaped 52-e- Te8 4- rings. The new material is a p-type semiconductor at room temperature and switches to n-type at 380 K.

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