{[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 Kanatzidis

doi:10.1021/ic9019074

{[Ga(en)₃]₂(Ge₂Te₁₅) _n: A polymeric semiconducting polytelluride with boat-shaped Te ₈^4- rings and cross-shaped Te₅ ^6-units

Qichun Zhang, Christos D Malliakas, Mercouri Kanatzidis

Chemistry

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

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 language	English (US)
Pages (from-to)	10910-10912
Number of pages	3
Journal	Inorganic Chemistry
Volume	48
Issue number	23
DOIs	https://doi.org/10.1021/ic9019074
State	Published - Dec 1 2009

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/ic9019074

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

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.",

author = "Qichun Zhang and Malliakas, {Christos D} and Mercouri Kanatzidis",

year = "2009",

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doi = "10.1021/ic9019074",

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journal = "Inorganic Chemistry",

issn = "0020-1669",

publisher = "American Chemical Society",

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T1 - {[Ga(en)3]2(Ge2Te15) n

T2 - A polymeric semiconducting polytelluride with boat-shaped Te 84- rings and cross-shaped Te5 6-units

AU - Zhang, Qichun

AU - Malliakas, Christos D

AU - Kanatzidis, Mercouri

PY - 2009/12/1

Y1 - 2009/12/1

N2 - 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.

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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