Issue 100, 2014

A corannulene-based donor–acceptor polymer for organic field-effect transistors

Abstract

For the first time, the corannulene unit was incorporated directly into the backbone of conjugated polymers. A new donor–acceptor (D–A) copolymer PICBT using imide-fused corannulene as acceptor was synthesized and its performance in organic field-effect transistors (OFETs) was tested. PICBT exhibited ambipolar transporting property with a hole mobility of 0.025 cm2 V−1 s−1 and electron mobility of 7.45 × 10−5 cm2 V−1 s−1 when the substrates were treated with octyltrimethoxysilane (OTS). If the substrates were not modified with OTS, PICBT showed lower device performances with a hole mobility of 4.62 × 10−3 cm2 V−1 s−1 and electron mobility of 1.54 × 10−4 cm2 V−1 s−1. The device performances are competitive among the amorphous materials. This work paved the way for incorporating the corannulene unit into conjugated materials.

Graphical abstract: A corannulene-based donor–acceptor polymer for organic field-effect transistors

Supplementary files

Article information

Article type
Paper
Submitted
05 Oct 2014
Accepted
10 Oct 2014
First published
10 Oct 2014

RSC Adv., 2014,4, 56749-56755

A corannulene-based donor–acceptor polymer for organic field-effect transistors

R. Lu, W. Xuan, Y. Zheng, Y. Zhou, X. Yan, J. Dou, R. Chen, J. Pei, W. Weng and X. Cao, RSC Adv., 2014, 4, 56749 DOI: 10.1039/C4RA11824C

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