Smart nanoporous metal–organic frameworks by embedding photochromic molecules – state of the art and future perspectives,Photochemical & Photobiological Sciences

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Smart nanoporous metal–organic frameworks by embedding photochromic molecules – state of the art and future perspectives
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2018-04-30 00:00:00 , DOI: 10.1039/c7pp00456g
H. A. Schwartz _{1,

2,

3,

4} , U. Ruschewitz _{1,

2,

3,

4} , L. Heinke _{4,

5,

6,

7}

Affiliation

Smart, molecularly structured materials with remote-controllable properties and functionalities attract particular attention and may enable advanced applications. In this respect, the embedment of stimuli-responsive molecules, such as azobenzenes, spiropyrans or diarylethenes, in metal–organic frameworks (MOFs) is a very fascinating approach, resulting in easily accessible photoswitchable, nanoporous hybrid materials. It is an attractive alternative to the incorporation of the smart moieties in the MOF scaffold, which usually demands complex synthetic efforts. Here, the opportunities, properties and perspectives of the embedment of photochromic molecules in MOF pores are reviewed. In addition to presenting a straightforward route to prepare smart materials with, e.g., photoswitchable adsorption properties that can be used for remote-controllable membrane separation, the photoswitch@MOF compounds also represent unique model systems to investigate the dye as well as the MOF properties and their interactions with each other. For instance, the MOF pores possess a polarity similar to a solvent, so that the optical properties of the resulting materials may be influenced by a careful choice of the respective host material.

中文翻译：

嵌入光致变色分子的智能纳米多孔金属有机框架–最新进展和未来展望

具有可远程控制的特性和功能的智能分子结构材料引起了人们的特别关注，并可能使高级应用成为可能。在这方面，将刺激响应分子（例如偶氮苯，螺吡喃或二芳烃）嵌入金属有机骨架（MOF）中是一种非常引人入胜的方法，从而可轻松获得可光转换的纳米多孔杂化材料。它是将智能部分并入MOF支架中的一种有吸引力的替代方法，该方法通常需要复杂的合成工作。在这里，回顾了在MOF孔中嵌入光致变色分子的机会，性质和前景。除了提供简单的方法来制备智能材料外，例如，可用于远程控制膜分离的光开关吸附特性，photoswitch @ MOF化合物也代表了独特的模型系统，可研究染料以及MOF特性及其相互之间的相互作用。例如，MOF孔具有与溶剂相似的极性，使得所得到的材料的光学性质可能受到相应主体材料的仔细选择的影响。

更新日期：2018-04-30

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