Charge-transfer complex crystal based on extended-π-conjugated acceptor and sulfur-bridged annulene: charge-transfer interaction and remarkable high ambipolar transport characteristics.

Qin, Yunke; Zhang, Jing; Zheng, Xiaoyan; Geng, Hua; Zhao, Guangyao; Xu, Wei; Hu, Wenping; Shuai, Zhigang et al. · Adv Mater · 2014

basic_science · Level V

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Abstract

A single crystal of a novel mixed-stack donor-acceptor complex formed by a tetracyanoquinodimethane derivative with an extended π-conjugated system and a sulfur-bridged annulene displays the highest ambipolar transport behavior among donor-acceptor complexes reported with electron and hole mobilities reaching up to 0.24 and 0.77 cm(2) V(-1) s(-1) , respectively.