Silver nanowire networks with preparations and applications: a review
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REVIEW
Silver nanowire networks with preparations and applications: a review Dongchen Tan1 · Chengming Jiang1 · Qikun Li1 · Sheng Bi1 · Jinhui Song1 Received: 3 June 2020 / Accepted: 29 July 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Due to the comprehensive performance on optoelectronics and mechanics, flexible electronics based on silver nanowires (AgNWs) network have attracted many attentions and achieved diverse functions comparing traditional electronic device. As more researches have been progressing, major advanced devices using AgNWs have been made, such as flexible optoelectronic devices, electromagnetic shielding, bio-robot’s components, and intelligence sensors and influence in human daily life. Comparing to the traditional transparent conductive material, such as indium tin oxide (ITO), AgNWs network performs more excellent in optoelectronics, mechanical properties and stability, and gradually appears on transparent flexible applications. However, a series of problems would be encountered in the fabrication process, such as geometric controllability, electronic and mechanical stability, and device manufacture. Plenty of studies on AgNWs for these interacting aspects have been conducted and achieved excellent progress. With these considerations, the latest progress to AgNWs network preparation and applications are reviewed in terms of manufacturing process, performance evaluation and enhancement, typical applications in this paper. The main challenges and prospects of the AgNWs network in future applications are briefly evaluated.
1 Introduction One-dimensional (1D) silver nanostructured materials have attracted wide attention as their excellent optoelectronic properties, thermal properties, and mechanical properties [1]. Silver nanowires (AgNWs) not only have many beneficial characteristics of one-dimensional materials, but also inherit silver’s high electrical conductivity (6.39 S/m) and excellent thermal conductivity (429 W/(m·K)). With the development of transparent flexible devices, such as solar cells [2], electromagnetic shielding [3], touch screens [4], organic light-emitting diodes (OLEDs) [5], flexible transparent heaters [6], and sensors [7, 8]. High flexibility, that is, strong stretchability and bending performance, and excellent electrical conductivity and optical transparency have become the key requirements for the application of * Chengming Jiang [email protected] * Qikun Li [email protected] * Jinhui Song [email protected] 1
Key Laboratory for Precision and Non‑Traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian 116024, China
AgNW networks. In traditional applications, especially in optoelectronics, the indium tin oxide (ITO) is widely used as the requirements for transport electrodes [9]. However, the scarcity of flexible and high cost of indium hinders the further application of ITO. In addition, the requirements of flexibility and bio-compatibility make the limited usage of
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