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High Chemical and Thermal Stability of Ag Nanowire‐Based Transparent Conductive Electrodes Induced by Electroless Ag Nanoparticle Decoration
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2020-05-27 , DOI: 10.1002/pssa.201900957 Mona Arefpour 1 , Mohammad Almasi Kashi 1, 2 , Mohammadreza Bagheli 1
Physica Status Solidi (A) - Applications and Materials Science Pub Date : 2020-05-27 , DOI: 10.1002/pssa.201900957 Mona Arefpour 1 , Mohammad Almasi Kashi 1, 2 , Mohammadreza Bagheli 1
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Although silver nanowires (AgNWs) are a promising material to replace indium tin oxide for use in transparent conductive electrodes (TCEs), they are easily degraded in contact with air and harsh environments due to surface corrosion and morphological instability. Herein, a facile approach is reported to improve both conductivity and stability of AgNW‐based TCEs (AG‐TCEs) in contact with atmospheric oxidation, water, alcoholic solutions, and acidic and alkaline environments without reducing their high transparency. This approach is based on very rapid electroless deposition of highly crystalline Ag nanoparticles (AgNPs) on AgNWs, uniformly decorating the surface of AG‐TCEs at room temperature. Field‐emission scanning electron microscopic images reveal the formation of strong junctions between AgNWs induced by AgNPs. Exposing the resulting AG‐TCEs to HCl and NaOH solutions remarkably reduces their initial sheet resistance (R s0), leading to ΔR s/R s0 (%) of −26% and −37%, respectively. Moreover, decorated AG‐TCEs show high thermal stability after being annealed at 180 °C for 12 h.
中文翻译：
化学镀银纳米粒子修饰引起的基于银纳米线的透明导电电极的高化学稳定性和热稳定性
尽管银纳米线（AgNWs）是用于透明导电电极（TCE）的铟锡氧化物的有前途的材料，但由于表面腐蚀和形态不稳定，它们在与空气和恶劣环境接触时很容易降解。在本文中，据报道一种简便的方法可以提高与大气氧化，水，酒精溶液以及酸性和碱性环境接触的基于AgNW的TCE（AG-TCE）的电导率和稳定性，而不会降低其高透明度。该方法基于高度结晶的Ag纳米粒子（AgNPs）在AgNW上的快速化学沉积，在室温下均匀地装饰AG-TCE的表面。场发射扫描电子显微镜图像揭示了由AgNPs诱导的AgNW之间的强连接。R s0），导致ΔR s / R s0（％）分别为-26％和-37％。此外，经过装饰的AG-TCE在180°C退火12小时后显示出很高的热稳定性。
更新日期：2020-05-27
中文翻译：
化学镀银纳米粒子修饰引起的基于银纳米线的透明导电电极的高化学稳定性和热稳定性
尽管银纳米线（AgNWs）是用于透明导电电极（TCE）的铟锡氧化物的有前途的材料，但由于表面腐蚀和形态不稳定，它们在与空气和恶劣环境接触时很容易降解。在本文中，据报道一种简便的方法可以提高与大气氧化，水，酒精溶液以及酸性和碱性环境接触的基于AgNW的TCE（AG-TCE）的电导率和稳定性，而不会降低其高透明度。该方法基于高度结晶的Ag纳米粒子（AgNPs）在AgNW上的快速化学沉积，在室温下均匀地装饰AG-TCE的表面。场发射扫描电子显微镜图像揭示了由AgNPs诱导的AgNW之间的强连接。R s0），导致ΔR s / R s0（％）分别为-26％和-37％。此外，经过装饰的AG-TCE在180°C退火12小时后显示出很高的热稳定性。
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