Home > Archive>Volume 17, Issue 2, 2021 >70-74. DOI:https://doi.org/10.1007/s11801-021-0005-x
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Research on flexible silver nanowire electrode for organic light-emitting devices
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1. National Engineering Lab of Special Display Technology, State Key Lab of Advanced Display Technology, Academy of Opto-Electronic Technology, Hefei University of Technology, Hefei 230009, China;2. School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology, Hefei 230009, China

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    Abstract:

    By spin-coating silver nanowires (AgNWs) and polymethyl methacrylate (PMMA), applying pressure imprint and plasma treatment, we obtained flat AgNW thin film with a sheet resistance of 20 Ω/sq and a transmittance of 78% at 550 nm with low surface roughness. No significant change in sheet resistance was observed after cyclic bending (bending radius is 5 mm) test and tape test. After 1 000 bending tests, the change rate of sheet resistance was only 8.3%. The organic light-emitting devices (OLEDs) were prepared by using such AgNW electrodes and a maximum brightness of 5 090 cd/m2 was obtained. Compared with the AgNWs electrode without any treatment, the present AgNW electrodes have lower sheet resistance and better hole injection. Our results show spin-coated with flat layers, embossed and plasma-treated AgNW electrodes are suitable for manufacturing flexible organic optoelectronic devices. E-mail:jthu@hfut.edu.cn

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HU Jun-tao, LI Jie, ZHANG Geng-geng, XU Kai, WANG Xiang-hua. Research on flexible silver nanowire electrode for organic light-emitting devices[J]. Optoelectronics Letters,2021,17(2):70-74

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History
  • Received:January 13,2020
  • Revised:February 28,2020
  • Online: January 04,2021
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