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Sci Adv. 2017 Sep 06;3(9):e1701186. doi: 10.1126/sciadv.1701186. eCollection 2017 Sep.

Ultrahigh mobility and efficient charge injection in monolayer organic thin-film transistors on boron nitride.

Science advances

Daowei He, Jingsi Qiao, Linglong Zhang, Junya Wang, Tu Lan, Jun Qian, Yun Li, Yi Shi, Yang Chai, Wei Lan, Luis K Ono, Yabing Qi, Jian-Bin Xu, Wei Ji, Xinran Wang

Affiliations

  1. National Laboratory of Solid State Microstructures, School of Electronic Science and Engineering, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.
  2. Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials and Micro-nano Devices, Renmin University of China, Beijing 100872, China.
  3. Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, P.R. China.
  4. School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China.
  5. Energy Materials and Surface Sciences Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Kunigami-gun, Onna-son, Okinawa 904-0495, Japan.
  6. Department of Electronic Engineering and Materials Science and Technology Research Center, The Chinese University of Hong Kong, Hong Kong SAR, China.
  7. Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.

PMID: 28913429 PMCID: PMC5587094 DOI: 10.1126/sciadv.1701186

Abstract

Organic thin-film transistors (OTFTs) with high mobility and low contact resistance have been actively pursued as building blocks for low-cost organic electronics. In conventional solution-processed or vacuum-deposited OTFTs, due to interfacial defects and traps, the organic film has to reach a certain thickness for efficient charge transport. Using an ultimate monolayer of 2,7-dioctyl[1]benzothieno[3,2-

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