An Organic Metal Derived from a Selenium Analogue of Benzothienobenzothiophene

被引：12

作者：

Higashino, Toshiki ^{[1
]}

Kadoya, Tomofumi ^{[1
]}

Kumeta, Shohei ^{[1
]}

Kurata, Kohei ^{[1
]}

Kawamoto, Tadashi ^{[1
]}

Mori, Takehiko ^{[1
,2
]}

机构：

[1] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan

[2] JST, ACT C, Kawaguchi, Saitama 3320012, Japan

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2014年 / 24期

关键词：

Conducting materials; Organic electronics; Charge transfer; EPR spectroscopy; Selenium; CRYSTAL-STRUCTURE; HIGH-PERFORMANCE; TETRATHIAFULVALENE; SUPERCONDUCTOR; SEMICONDUCTOR; CONDUCTORS; MODELS; SERIES;

D O I：

10.1002/ejic.201402221

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Benzothieno[3,2-b]benzothiophene (BTBT) is an excellent organic transistor material, and its charge-transfer salt (BTBT)(2)PF6 is an organic metal that exhibits conductivity as high as 1500 S cm(-1) at room temperature. Here, we report a charge-transfer salt of the selenium analogue, benzoseleno[3,2-b]benzoselenophene (BSBS). (BSBS)(2)TaF6 is a one-dimensional metal isostructural to (BTBT)(2)PF6. The resistance jump temperature is reduced from 150 to 90 K, and the increase of the low-temperature resistivity is largely diminished. However, the spin susceptibility shows an obvious drop below 50 K, which implies that the low-temperature ground state is essentially a singlet state.

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页码：3895 / 3898

页数：4

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