Electronic tuning effects via cyano substitution of a fused tetrathiafulvalene-benzothiadiazole dyad for ambipolar transport properties

被引：26

作者：

Amacher, Anneliese ^{[1
]}

Luo, Hewei ^{[2
]}

Liu, Zitong ^{[2
]}

Bircher, Martin ^{[1
]}

Cascella, Michele ^{[1
]}

Hauser, Juerg ^{[1
]}

Decurtins, Silvio ^{[1
]}

Zhang, Deqing ^{[2
]}

Liu, Shi-Xia ^{[1
]}

机构：

[1] Univ Bern, Dept Chem & Biochem, CH-3012 Bern, Switzerland

[2] Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

来源：

RSC ADVANCES | 2014年 / 4卷 / 06期

基金：

瑞士国家科学基金会;

关键词：

FIELD-EFFECT TRANSISTORS; CORRELATED MOLECULAR CALCULATIONS; INTRAMOLECULAR CHARGE-TRANSFER; GAUSSIAN-BASIS SETS; HIGH-PERFORMANCE; DONOR; DERIVATIVES; COMPOUND; UNITS; TTF;

D O I：

10.1039/c3ra46784h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electronic tuning effects of substituents at the 4- and 8-positions of benzothiadiazole (BTD) within the fused tetrathiafulvalene-BTD donor-acceptor dyad have been studied. The electron acceptor strength of BTD is greatly increased by replacing Br with CN groups, extending the optical absorption of the small dyad into the near-IR region and importantly, the charge transport can be switched from p-type to ambipolar behaviour.

引用

页码：2873 / 2878

页数：6

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