Post-synthetic modifications (PSM) on metal–organic frameworks (MOFs) for visible-light-initiated photocatalysis,Dalton Transactions

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Post-synthetic modifications (PSM) on metal–organic frameworks (MOFs) for visible-light-initiated photocatalysis
Dalton Transactions ( IF 3.5 ) Pub Date : 2021-08-26 , DOI: 10.1039/d1dt02424h
Yuhuan Qin ₁ , Mingming Hao ₁ , Dengke Wang ₁ , Zhaohui Li ₁

Affiliation

The utilization of green and sustainable solar energy via photocatalysis is regarded as a promising strategy to tackle the ever-increasing energy shortage and environmental deterioration. In addition to traditional semiconductor-based photocatalysts, metal–organic frameworks (MOFs), a class of crystalline micro–mesoporous hybrid materials constructed from metal or metal nodes interconnected with multi-dentate organic linkers, are emerging as a new type of photocatalytic material. Post-synthetic modifications (PSM) on MOFs, in which chemical transformations or exchanges are made on pre-synthesized MOF materials, are found to be a powerful strategy for fabricating photoactive MOFs based on already existing MOFs. In this frontier article, different PSM strategies for the development of photoactive MOFs, including coordination on unsaturated metal sites, metalation on open coordinated sites, covalent modifications on ligands, ligand exchange, metal exchange and cavity encapsulation, have been summarized. Our views on the challenges and the direction in developing photocatalytic MOFs by PSM are also addressed. We hope that this frontier article can provide some guidance for rational designing of highly efficient MOF-based photocatalysts via PSM strategies and to stimulate more research interest to be devoted to this promising yet largely unexplored field.

中文翻译：

用于可见光引发光催化的金属有机骨架 (MOF) 的合成后修饰 (PSM)

绿色和可持续发展的太阳能能源的利用通过光催化被认为是解决日益严重的能源短缺和环境恶化的一种有前途的策略。除了传统的基于半导体的光催化剂外，金属有机骨架 (MOF) 是一类由金属或金属节点与多齿有机连接体相互连接构成的结晶微介孔杂化材料，正在成为一种新型的光催化材料。MOF 上的合成后修饰 (PSM)，其中在预先合成的 MOF 材料上进行化学转化或交换，被发现是一种基于现有 MOF 制造光活性 MOF 的强大策略。在这篇前沿文章中，用于开发光活性 MOF 的不同 PSM 策略，包括在不饱和金属位点上的配位、在开放配位位点上的金属化、已经总结了配体的共价修饰、配体交换、金属交换和腔封装。还讨论了我们对通过 PSM 开发光催化 MOF 的挑战和方向的看法。我们希望这篇前沿文章能为合理设计高效的 MOF 基光催化剂提供一些指导通过PSM 策略，并激发更多的研究兴趣，致力于这个有前途但尚未开发的领域。

更新日期：2021-09-10

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