Donor–acceptor–donor type organic semiconductor containing quinoidal benzo[1,2-b:4,5-b′]dithiophene for high performance n-channel field-effect transistors

Shitao Wang; Mao Wang; Xu Zhang; Xiaodi Yang; Qiuliu Huang; Xiaolan Qiao; Haixia Zhang; Qinghe Wu; Yu Xiong; Jianhua Gao; Hongxiang Li

doi:10.1039/C3CC47826B

Donor–acceptor–donor type organic semiconductor containing quinoidal benzo[1,2-b:4,5-b′]dithiophene for high performance n-channel field-effect transistors†

Shitao Wang,‡^a Mao Wang,‡^a Xu Zhang,^b Xiaodi Yang,^b Qiuliu Huang,^a Xiaolan Qiao,^a Haixia Zhang,^c Qinghe Wu,^a Yu Xiong,^a Jianhua Gao^c and Hongxiang Li*^a

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* Corresponding authors

^a Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China
E-mail: lhx@sioc.ac.cn
Tel: +86-21-54925024

^b Laboratory of Advanced Materials, Fudan University, Shanghai, China

^c Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 310012, China

Abstract

A donor–acceptor–donor (D–A–D) type small molecule DHB-QDTB, with dicyano-substituted quinoidal benzo[1,2-b:4,5-b′]dithiophene as the acceptor, was designed and synthesized. A high electron mobility up to 0.88 cm² V⁻¹ s⁻¹ was observed for DHB-QDTB based transistors under ambient conditions, suggesting quinoidal benzo[1,2-b:4,5-b′]dithiophene is an excellent acceptor unit in D–A type n-channel organic semiconductors.

Chemical Communications

Donor–acceptor–donor type organic semiconductor containing quinoidal benzo[1,2-b:4,5-b′]dithiophene for high performance n-channel field-effect transistors†

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Donor–acceptor–donor type organic semiconductor containing quinoidal benzo[1,2-b:4,5-b′]dithiophene for high performance n-channel field-effect transistors

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