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Tuning the Crystal Polymorphs of Alkyl Thienoacene via Solution Self‐Assembly Toward Air‐Stable and High‐Performance Organic Field‐Effect Transistors
Author(s) -
He Ping,
Tu Zeyi,
Zhao Guangyao,
Zhen Yonggang,
Geng Hua,
Yi Yuanping,
Wang Zongrui,
Zhang Hantang,
Xu Chunhui,
Liu Jie,
Lu Xiuqiang,
Fu Xiaolong,
Zhao Qiang,
Zhang Xiaotao,
Ji Deyang,
Jiang Lang,
Dong Huanli,
Hu Wenping
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201404806
Subject(s) - materials science , alkyl , transistor , organic semiconductor , field effect transistor , phase (matter) , crystal (programming language) , semiconductor , optoelectronics , chemical engineering , chemical physics , organic chemistry , electrical engineering , chemistry , voltage , computer science , programming language , engineering
The first example for thienoacene derivatives with selective growth of different crystal polymorphs is simply achieved by solution‐phase self‐assembly. Compared with platelet‐shaped α‐phase crystals, organic field‐effect transistors (OFETs) based on microribbon‐shaped β‐phase crystals show a hole mobility up to 18.9 cm 2 V −1 s −1 , which is one of the highest values for p‐type organic semiconductors measured under ambient conditions.