Polypyridyl Metallo‐Organic Assemblies for Electrochromic Applications,Advanced Materials

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Polypyridyl Metallo‐Organic Assemblies for Electrochromic Applications
Advanced Materials ( IF 27.4 ) Pub Date : 2018-03-25 , DOI: 10.1002/adma.201706641
Michal Lahav ₁ , Milko E. van der Boom ₁

Affiliation

Electrochromic films undergo optical changes in response to a redox stimulus. This intriguing phenomenon can be used for a wide range of applications, including smart windows, sensors, color displays, and memory elements. Despite the rapid progress of late, designing suitable electrochromic materials that offer low‐cost production, appealing colors, and pronounced optical contrast with high efficiency, as well as long‐term stability remains an engineering challenge. Solid‐state metal oxides, liquid crystals, and organic polymers have been for many years the leading candidates, successfully making their way into commercial products. An alternative class of materials relies on metal complexes that can be processed from solution, offer a variety of colors, and have metal‐centered stable and reversible redox chemistry. These metallo‐organic materials possess a full range of electrochromic properties, including ultrahigh coloration efficiencies, and cyclic stability. Here, some of the recent scientific developments in this field are highlighted.

中文翻译：

用于电致变色应用的聚吡啶基金属有机组件

电致变色膜响应于氧化还原刺激而经历光学变化。这种引人入胜的现象可用于多种应用，包括智能窗口，传感器，彩色显示器和存储元件。尽管最近取得了长足的进步，但设计合适的电致变色材料以提供低成本的生产，引人入胜的色彩以及高效的显着光学对比度以及长期稳定性仍然是工程上的挑战。固态金属氧化物，液晶和有机聚合物多年来一直是领先的候选者，已成功地进入了商业产品。另一类材料依赖于可以从溶液中加工出来的金属络合物，具有多种颜色，并且具有以金属为中心的稳定和可逆的氧化还原化学反应。这些金属有机材料具有全方位的电致变色特性，包括超高的着色效率和循环稳定性。在此，重点介绍了该领域的一些最新科学进展。

更新日期：2018-03-25

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