Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session P17: Organic Interfaces from Single Molecules to Thin Films
2:30 PM–5:30 PM,
Wednesday, March 7, 2018
LACC
Room: 306A
Sponsoring
Unit:
DMP
Chair: Wai-Lun Chan, University of Kansas
Abstract ID: BAPS.2018.MAR.P17.6
Abstract: P17.00006 : Vertical tunneling transport and nonlinear access resistance in layered single-crystal organic transistors
3:54 PM–4:06 PM
Presenter:
Takamasa Hamai
(Department of Applied Physics, University of Tokyo)
Authors:
Takamasa Hamai
(Department of Applied Physics, University of Tokyo)
Shunto Arai
(Department of Applied Physics, University of Tokyo)
Hiromi Minemawari
(National Institute of Advanced industrial Science and Technology (AIST))
Satoru Inoue
( Nippon Kayaku Co., Ltd.)
Tatsuo Hasegawa
(Department of Applied Physics, University of Tokyo)
Here, we report that vertical transport across the alkyl-chain layers causes tunneling-based nonlinear access resistance in single-crystalline TFTs of Ph-BTBT-C10 [2]. The effect of access resistance appeared in layer-number (n)-dependent device mobility (2-20 cm2/Vs) and nonlinear Id-Vd characteristics (1 ≤ n ≤ 15). These characteristics were reproduced by numerical simulation with assuming the tunneling-based access resistance. Based on the results of low-temperature transport measurements, we discuss the vertical transport mechanism in the layered OSC crystals.
[1] S. Inoue, et al., Chem. Mater., 27, 3809 (2015). [2] T. Hamai et al., Phys. Rev. Appl., to be published.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.P17.6
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