期刊
APPLIED MATERIALS TODAY
卷 22, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apmt.2020.100909
关键词
Nanowire; Transparent conductive electrode; Protective layer coating; Core-shell nanowire; Flexible electrode
资金
- National Research Foundation of Korea (NRF) Grant through Basic Science Research Program [2017R1A2B3005706, NRF2016R1A5A1938472]
- National Research Foundation of Korea (NRF) Grant through Creative Materials Discovery Program [NRF2016M3D1A1900035]
Metal nanowires as substitutes for ITO in transparent conductive electrodes exhibit high conductivity, transparency, and stretchability, but enhancing stability against external factors remains a challenge. Coating protective layers on metal nanowires has been shown to effectively improve stability, highlighting the need for further development in this area.
The demand for flexibility in transparent conductive electrodes(TCEs) is increasing due to the functionality demand and convenience of deformable electrodes. The high-cost and brittleness of the conventional indium tim oxide (ITO) films are obstacles to their utilization in TCEs. Metal nanowires are highly promising as substitutes for ITO. Metal nanowire electrodes achieved high-conductivity, high-transparency, and high-stretchability through the development of fabrication technology. Nevertheless, it is challenging to prevent their degradation by the external environment, intensive investigations that can improve the stability are required. Among measures to improve stability, a protective-layer coating on metal nanowires is shown to be a very effective way. Therefore, it is essential to organize the development of protective layer-coating. This review compiles coating methods of stable materials (overall coverage coating, core-shell coating, junction enhancement coating), and the obtained TCE performances. Electrical properties such as sheet resistance, transmittance conjunction with the enhanced stability are discussed. Finally, the recent progress in TCE applications based on improved stability metal nanowires are discussed concisely. Various applications of improved stability nanowires such as solar-cell, supercapacitor, and transparent heaters are considered and their performances as well as fabrication protocols are disclosed. (c) 2020 Elsevier Ltd. All rights reserved.
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