期刊
RSC ADVANCES
卷 6, 期 14, 页码 11702-11710出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra25310a
关键词
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资金
- Converging Research Center Program through the Ministry of Science (ICT and Future Planning) [2013K000201]
- Industrial Core Technology Development Project through the Ministry of Knowledge and Commerce [10035644, 10035648]
We demonstrate the polyol synthesis of ultrathin Ag nanowires with diameters of 20 nm and an aspect ratio as high as similar to 1000 under high-pressure conditions. The increase in pressure increases density and enhances solubility, making the reactive solution rapidly reach super-saturation and increase the nucleation rate to effect a near-instantaneous formation of Ag nuclei. Clearly, the particle size was small at high pressure and an increase in pressure promoted the formation of small-size Ag seed-particles and small diameter wires. As a result, the Ag nanostructures in this study were initially formed as Ag seed particles with a diameter of 20 nm and subsequently grew into well-defined Ag nanowires with a uniform and narrow diameter distribution in the range of 16-22 nm, with a long dimension of up to 20 mm. Fabrication of random networks of the 20 nm diameter Ag nanowires synthesized lead to the fabrication of flexible transparent electrodes with excellent optoelectronic performance, with a sheet resistance of 30 Omega sq(-1) and 94% transmittance with a very low haze value of <= 1.0%, making them suitable for electronic display applications.
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