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This study proposes a novel method of improving the electrical conductivity of silver nanowires (NWs)-networked films for the application of transparent conductive electrodes. We applied Cs-added TiO 2 (TiO 2 :Cs) nanoparticles onto Ag NWs, which caused the NWs to be neatly welded together through local melting at the junctions, according to our transmission and scanning electron microscopy analyses. Systematic comparison of the sheet resistance of the samples reveals that these welded NWs yielded a significant improvement in conductivity. OLED devices, fabricated by using the NW film planarized via embedding the wires into PMMA, demonstrated device performance was comparable with the reference sample with indium tin oxide electrode.

Sunho Kim, Haksoo Lee, Sekwon Na, Eun Jung, Jun-gu Kang, Daekyung Kim, Sung Min Cho, Heeyeop Chae, Ho Kyoon Chung, Seong bea Kim, Byong-Wook Lee, Kyung Eun Kim, Sanghoon Lee, Hyo Jeong Lee, Haekyoung Kim and Hoo-Jeong Lee

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