Tris-fused tetrathiafulvalenes (TTF): highly conducting single-component organics and metallic charge-transfer salt

被引：16

作者：

Ashizawa, M

Kimura, S

Mori, T ^{[1
]}

Misaki, Y

Tanaka, K

机构：

[1] Tokyo Inst Technol, Fac Engn, Dept Organ & Polymer Mat, Tokyo 1528552, Japan

[2] Kyoto Univ, Grad Sch Engn, Div Mol Engn, Yoshida, Kyoto 6068501, Japan

来源：

SYNTHETIC METALS | 2004年 / 141卷 / 03期

关键词：

tetrathiafulvalenes; coupling reactions; crystal structured; electrical conductivity;

D O I：

10.1016/S0379-6779(03)00416-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Tris-fused tetrathiafulvalene (TTF) derivatives, TTCn-TTPY, 2,2'-bis[4,5-alkylthio-(1,3-dithiol-2-ylidene)-1,3,4,6-tetrathiapentalenytidene] with four alkylthio chains [CnH2n+1S-: n = 3-5] are prepared and the structural and conducting properties are investigated. Crystals of the neutral molecules show very low electrical resistivity (400 Omega cm) as single-component pure organic materials. Irrespective of the alkylthio chain length, the crystal structures are so-called beta"-type consisting of uniform stacks of the tris-fused TTF parts. Iodine-doped TTC3-TTPY exhibits metallic conductivity down to liquid helium temperature. (C) 2003 Elsevier B.V. All rights reserved.

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页码：307 / 313

页数：7

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