Pyrene- and Benzothiadiazole-Based Mixed-Ligand D–A Metal–Organic Framework for the Enhancing Photocatalytic Aerobic Oxidation of Organic Sulfides

IF 3.2 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Crystal Growth & Design Pub Date : 2024-09-11 DOI:10.1021/acs.cgd.4c00640

Jiaping Cao, Xianmin Guo, Jianguo Liu, Ting Hu, Mingxue Shao, Rao Bao, Huadong Guo

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Abstract

Assembling donor–acceptor (D–A) systems has become an emerging strategy to develop prominent heterogeneous photocatalysts in organic transformation. Herein, by linker modification, a UiO-67-type mixed-ligand metal–organic framework (termed UiO-67-PE/BT) was fabricated with pyrene as the electron donor and benzothiadiazole as the electron acceptor. Benefiting from the ultrastability of UiO-type materials and the outstanding photoactivity of the D–A system, UiO-67-PE/BT can efficiently photocatalyze the selective oxidation of organic sulfides into sulfoxides under visible-light irradiation. The enhanced photocatalytic performance of UiO-67-PE/BT was attributed to the D–A interaction in UiO-67-PE/BT that improves the synergetic effect of photoinduced electron transfer and energy transfer processes to generate abundant reactive oxygen species (superoxide radical and single oxygen). This work provided a feasible platform for the development of the D–A system to improve the transformation of solar energy into chemical energy.

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基于芘和苯并噻二唑混合配体的 D-A 金属有机框架用于增强有机硫化物的光催化好氧氧化作用

组装供体-受体（D-A）系统已成为开发有机转化领域杰出的异质光催化剂的一种新兴策略。本文以芘为电子供体，苯并噻二唑为电子受体，通过连接体修饰，制备了 UiO-67 型混合配体金属有机框架（UiO-67-PE/BT）。得益于 UiO 型材料的超稳定性和 D-A 系统出色的光活性，UiO-67-PE/BT 可在可见光照射下高效地光催化有机硫化物选择性氧化成硫醚。UiO-67-PE/BT 光催化性能的增强归功于 UiO-67-PE/BT 中的 D-A 相互作用，这种作用提高了光诱导电子传递和能量转移过程的协同效应，从而产生丰富的活性氧（超氧自由基和单氧）。这项工作为开发 D-A 系统提供了一个可行的平台，以改善太阳能向化学能的转化。

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来源期刊

Crystal Growth & Design 化学-材料科学：综合

CiteScore

6.30

自引率

10.50%

发文量

650

审稿时长

1.9 months

期刊介绍： The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials. Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.