7 October 2014 Metal nanowire-graphene composite transparent electrodes
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Abstract
Silver nanowires with 40 nm diameter and copper nanowires with 150 nm diameter were synthesized using low-temperature routes, and deposited in combination with ultrathin graphene sheets for use as transparent conductors. A systematic and detailed analysis involving nature of capping agent for the metal nanowires, annealing of deposited films, and pre-treatment of substrates revealed critical conditions necessary for preparing high performance transparent conducting electrodes. The best electrodes show ~90% optical transmissivity and sheet resistance of ~10 Ω/□, already comparable to the best available transparent electrodes. The metal nanowire-graphene composite electrodes are therefore well suited for fabrication of opto-electronic and electronic devices.
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Trent Mankowski, Zhaozhao Zhu, Kaushik Balakrishnan, Ali Sehpar Shikoh, Farid Touati, Mohieddine Benammar, Masud Mansuripur, Charlies M. Falco, "Metal nanowire-graphene composite transparent electrodes", Proc. SPIE 9177, Thin Films for Solar and Energy Technology VI, 91770I (7 October 2014); doi: 10.1117/12.2062292; https://doi.org/10.1117/12.2062292
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