Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 120, Issue 38, Pages 22012-22018Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.6b06599
Keywords
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Funding
- KANEKA/SKKU Incubation Center (Kaneka Corp. in Japan)
- Center for Advanced Soft Electronics (CASE) under the Global Frontier Research Program [NRF-368 2013M3A6A5073177]
- MSIP (Ministry of Science, ICT and Future Planning) under the ITRC (Information Technology Research Center) [IITP-2016-H8501-16-1009]
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We developed a simple methodology for fabricating silver nanowire (AgNW) micropattems on a plastic substrate using a photocurable polymer. The patterning method began with the lamination of a UV-curable prepolymer film onto the AgNW-coated rigid glass substrate. Selective UV exposure of the UV-curable prepolymer film through a photomask solidified the exposed regions, and the unexposed regions were simply removed by the solvent. AgNW micropattems of various sizes and shapes could be readily formed across the entire plastic substrate. Importantly, this photopatterning process enabled the embedding of the AgNW structures into the polymer matrix, which dramatically reduced the surface roughness and enhanced the mechanical stability of the AgNW film. The AgNW structures served as transparent anode electrodes in organic light-emitting diodes (OLEDs) that performed well compared to OLEDs fabricated using conventional indium tin oxide (ITO) or conducting polymer electrodes. This simple, inexpensive, and scalable AgNW patterning technique provides a novel approach to realizing next-generation flexible electronics.
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