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Electrochromic smart windows using 2D-MoS2 nanostructures protected silver nanowire based flexible transparent electrodes
Materials Science in Semiconductor Processing ( IF 4.1 ) Pub Date : 2020-10-01 , DOI: 10.1016/j.mssp.2020.105176
K. Mallikarjuna , Mahesh A. Shinde , Heakyoung Kim

Abstract In recent years, the harvesting and management of energy has become a topic of intense interest because of the growing energy demands of society, the depletion of fossil fuel sources, and the research on eco-friendly development of efficient energy management technologies. In this connection, we proposed to utilize the energy-saving properties of electrochromic technology-based MoS2/silver nanowire (AgNW) electrodes for flexible smart windows. MoS2 is used to overcome the difficulties of stability, corrosion, and oxidation of AgNWs in the electrolyte. Transition metal chalcogenide (2D-MoS2) structures provide a unique platform to stabilize the surface of the AgNWs at the electrolyte interface. The prepared WO3/MoS2/AgNW based electrochromic device attained an optical contract of 52% at the low voltage of −1.2 V, which yielded a coloration efficiency (η) of 31.92 cm2/C. The MoS2/AgNW electrode exhibited high coloration and bleaching response, Tc = 11.5 s and Tb = 4.5 s, respectively, which is a faster response than that of the AgNW based electrochromic devices. Most of the existing electrochromic devices have advantages for next-generation smart windows and flexible and wearable optoelectronic applications.

中文翻译:

使用 2D-MoS2 纳米结构保护的基于银纳米线的柔性透明电极的电致变色智能窗

摘要 近年来,随着社会对能源需求的不断增长、化石燃料资源的枯竭以及高效能源管理技术的生态友好发展,能源的收集和管理成为人们关注的热点。在这方面,我们建议利用基于电致变色技术的 MoS2/银纳米线 (AgNW) 电极的节能特性用于柔性智能窗户。MoS2 用于克服电解液中 AgNWs 的稳定性、腐蚀和氧化等困难。过渡金属硫族化物 (2D-MoS2) 结构提供了一个独特的平台来稳定电解质界面处的 AgNW 表面。制备的基于 WO3/MoS2/AgNW 的电致变色器件在 -1.2 V 的低电压下达到 52% 的光学收缩,其着色效率 (η) 为 31.92 cm2/C。MoS2/AgNW 电极表现出高着色和漂白响应,分别为 Tc = 11.5 s 和 Tb = 4.5 s,这比基于 AgNW 的电致变色器件的响应更快。大多数现有的电致变色器件在下一代智能窗户和灵活可穿戴的光电应用方面具有优势。
更新日期:2020-10-01
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