title: High-performance organic field-effect transistors based on single-crystalline microribbons of a two-dimensional fused heteroarene semiconductor.
abstract: A novel two-dimensional organic semiconductor material [1]benzothieno[3,2-b][1]benzothieno[2,1-b:3,4-b':6,5-b'':7,8-b''']tetra(benzothiophene) (BTBTTBT) which largely extends the scope of the π-conjugated framework of heteroarene through "H" configuration was synthesized and its thermal, optical and electrochemical properties were investigated. This 2D molecule enables the easy growth of single-crystalline microribbons by the physical vapor transport method, which were evidenced by XRD, SEM and TEM. The single-crystalline OFET devices were fabricated based on the individual BTBTTBT microribbon and the remarkable high mobility of 17.9 cm(2) V(-1) s(-1) and on/off ratios of over 10(7) could be achieved.
authors.affiliation: School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P. R. China.
authors.forename: Yingfeng
authors.initials: Y
authors.lastname: Wang
authors.forename: Sufen
authors.initials: S
authors.lastname: Zou
authors.forename: Jianhua
authors.initials: J
authors.lastname: Gao
authors.forename: Huarong
authors.initials: H
authors.lastname: Zhang
authors.forename: Guoqiao
authors.initials: G
authors.lastname: Lai
authors.forename: Chengdong
authors.initials: C
authors.lastname: Yang
authors.forename: Hui
authors.initials: H
authors.lastname: Xie
authors.forename: Renren
authors.initials: R
authors.lastname: Fang
authors.forename: Hongxiang
authors.initials: H
authors.lastname: Li
authors.forename: Wenping
authors.initials: W
authors.lastname: Hu