Fusion of aggregation-induced emission and photochromics for promising photoresponsive smart materials,Materials Chemistry Frontiers

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Fusion of aggregation-induced emission and photochromics for promising photoresponsive smart materials
Materials Chemistry Frontiers ( IF 6.0 ) Pub Date : 2020-08-18 , DOI: 10.1039/d0qm00522c
Qing Yan _{1,

2,

3,

4,

5} , Sheng Wang _{1,

2,

3,

4,

5}

Affiliation

Photochromic materials have been drawing considerable attention owing to their potential applications including optical devices, logic gates, data recording and storage, and chemosensors. However, most conventional photochromic compounds usually suffer from aggregation-caused quenching (ACQ), and the solid or aggregate state is often required for practical applications. The introduction of the aggregation-induced emission (AIE) property into photochromic systems not only relieves the limitation posed by the ACQ phenomenon, but also endows photochromic systems with more fascinating fluorescence properties. Therefore, novel classes of AIE-active photochromic materials have been reported and considerable efforts have been continuously devoted towards improving their functions and performances for matching the requirements of practical applications. This review systematically describes recent progresses made in the AIE-active photochromic materials with respect to molecular structures, material morphologies, and practical applications, while the principle of molecular design and mechanism of performance are also covered. Moreover, the challenges, emerging fields, development tendency, and some perspectives for AIE-active photochromic materials are discussed and presented.

中文翻译：

聚集诱导的发射和光致变色的融合，为有前景的光敏智能材料

由于光致变色材料的潜在应用包括光学器件，逻辑门，数据记录和存储以及化学传感器，因此已经引起了极大的关注。然而，大多数常规的光致变色化合物通常遭受聚集引起的猝灭（ACQ），并且实际应用中通常需要固态或聚集态。在光致变色系统中引入聚集诱导发射（AIE）特性不仅减轻了ACQ现象带来的局限性，而且使光致变色系统具有更迷人的荧光特性。因此，已经报道了新颖种类的AIE活性光致变色材料，并且为了满足其实际应用的要求，人们一直在不断地致力于改善其功能和性能。这篇综述系统地描述了AIE活性光致变色材料在分子结构，材料形态和实际应用方面的最新进展，同时还涵盖了分子设计原理和性能机理。此外，讨论并介绍了AIE活性光致变色材料的挑战，新兴领域，发展趋势和一些观点。

更新日期：2020-09-02

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