Issue 40, 2023

Metal–organic frameworks and covalent organic frameworks as photocatalysts for H2O2 production from oxygen and water

Abstract

Hydrogen peroxide (H2O2) plays a vital role in various industries, from healthcare and pharmaceuticals to water treatment and electronics. Its importance lies in its versatility as a powerful and green oxidizing agent and disinfectant. However, with an anticipated increase in demand for H2O2, greener production methods are required. Photocatalytic H2O2 generation (from O2 and/or H2O) using Metal–Organic Frameworks (MOFs) and Covalent Organic Frameworks (COFs) has emerged as a sustainable alternative to traditional methods. This review provides a comprehensive overview of the intrinsic characteristics of MOFs and COFs, focusing on strategies to enhance light harvesting, charge separation, charge mobility, and the associated oxidation and reduction reactions. By addressing current limitations, this review elucidates the fundamental physicochemical properties of these materials, explores H2O2 production mechanisms, and outlines future directions for improved photocatalytic performance.

Graphical abstract: Metal–organic frameworks and covalent organic frameworks as photocatalysts for H2O2 production from oxygen and water

Article information

Article type
Review Article
Submitted
01 aug 2023
Accepted
25 sep 2023
First published
25 sep 2023

J. Mater. Chem. A, 2023,11, 21516-21540

Metal–organic frameworks and covalent organic frameworks as photocatalysts for H2O2 production from oxygen and water

J. Sun, J. Chakraborty, M. Deng, A. Laemont, X. Feng, Y. Liu and P. Van Der Voort, J. Mater. Chem. A, 2023, 11, 21516 DOI: 10.1039/D3TA04581A

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