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- Title
Copper Nanowires as Fully Transparent Conductive Electrodes.
- Authors
Huizhang Guo; Na Lin; Yuanzhi Chen; Zhenwei Wang; Qingshui Xie; Tongchang Zheng; Na Gao; Shuping Li; Junyong Kang; Duanjun Cai; Dong-Liang Peng
- Abstract
In pondering of new promising transparent conductors to replace the cost rising tin-doped indium oxide (ITO), metal nanowires have been widely concerned. Herein, we demonstrate an approach for successful synthesis of long and fine Cu nanowires (NWs) through a novel catalytic scheme involving nickel ions. Such Cu NWs in high aspect ratio (diameter of 16.2 ± 2 nm and length up to 40 mm) provide long distance for electron transport and, meanwhile, large space for light transmission. Transparent electrodes fabricated using the Cu NW ink achieve a low sheet resistance of 1.4 Ohm/sq at 14% transmittance and a high transparency of 93.1% at 51.5 Ohm/sq. The flexibility and stability were tested with 100-timebending by 180° and no resistance change occurred. Ohmic contact was achieved to the p- and n-GaN on blue light emitting diode chip and bright electroluminescence from the front face confirmed the excellent transparency.
- Subjects
NANOWIRES; WAVE-length of light; ELECTRIC resistors; LIGHT transmission; SEMICONDUCTORS
- Publication
Scientific Reports, 2013, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep02323