High mobility ambipolar organic field-effect transistors with a nonplanar heterojunction structure》.pdf

Organic Electronics 27 (2015) 84e91 Contents lists available at ScienceDirect Organic Electronics journal homepage: /locate/orgel High mobility ambipolar organic field-effect transistors with a nonplanar heterojunction structure Jui-Fen Chang a, *, Wei-Ren Chen a, Sheng-Miao Huang a, Yi-Chien Lai a, Xuan-You Lai a, Yaw-Wen Yang b, c, Chia-Hsin Wang b, c a Department of Optics and Photonics, National Central University, Zhongli 320, Taiwan b National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan c Department of Chemistry, National Tsing-Hua University, Hsinchu 300, Taiwan a r t i c l e i n f o a b s t r a c t Article history: Ambipolar organic field-effect transistors (OFETs) based on a bilayer structure of highly crystalline small Received 7 July 2015 0 0 molecules, n-type a,u-diperfluorohexylquaterthiophene (DFH-4T) and p-type dinaphtho[2,3-b:2 ,3 -f ] Received in revised form thieno[3,2-b]thiophene (DNTT), are investigated. By employing DFH-4T/DNTT as the bottom/top layers 2 September 2015 and appropriate high work function (WF) electrodes in a bottom-gate, top-contact configuration, the Accepted 6 September 2015 2 1 1 Available online xxx super