Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects

With the exhaustion of conventional fossil fuels, the exploration of green and sustainable energy will become an important topic of social development. Hydrogen is considered a clean and effective energy source, and its combustion produces only water, which is harmless to the environment. Photocatal...

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Main Authors: Yang An, Lingling Wang, Weiyi Jiang, Xinling Lv, Guoqiang Yuan, Xinxin Hang, Huan Pang
Format: Article
Language:English
Published: Tsinghua University Press 2023-07-01
Series:Polyoxometalates
Subjects:
Online Access:https://www.sciopen.com/article/10.26599/POM.2023.9140030
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author Yang An
Lingling Wang
Weiyi Jiang
Xinling Lv
Guoqiang Yuan
Xinxin Hang
Huan Pang
author_facet Yang An
Lingling Wang
Weiyi Jiang
Xinling Lv
Guoqiang Yuan
Xinxin Hang
Huan Pang
author_sort Yang An
collection DOAJ
description With the exhaustion of conventional fossil fuels, the exploration of green and sustainable energy will become an important topic of social development. Hydrogen is considered a clean and effective energy source, and its combustion produces only water, which is harmless to the environment. Photocatalytic water splitting, which utilizes solar energy and produces H2 and O2, can become a very important reaction for alleviating energy shortages and environmental pollution. Water splitting includes the reduction and oxidation half-reactions, among which the oxidation half-reaction is the rate-determining process. Even though current studies mainly focus on the H2 or O2 evolution reactions in the presence of sacrificial agents, overall water splitting remains a challenging problem. Metal–organic frameworks (MOFs) and their precursors have been attracting increasing attention as photocatalysts for water splitting. This paper reviews the research progress in MOFs for photocatalytic overall water splitting and discusses the development prospects and challenges of MOFs. In this study, the research progress in MOF-based water-splitting catalysts for photocatalysis and electrocatalysis is systematically reviewed. Herein, MOF-based catalysts are classified into MOFs, MOF composites, and MOF-derived photocatalysts. We also analyze the prospects and challenges in the preparation of efficient and stable MOF photocatalysts for overall water splitting and propose the construction of new efficient MOFs with double active sites, aiming to improve the efficiency of photocatalytic hydrogen and oxygen evolution to achieve the overall water splitting.
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spelling doaj.art-7b1b8708705f48a4a2e89d33081b91a02023-12-20T09:47:34ZengTsinghua University PressPolyoxometalates2957-98212957-95032023-07-01239140030914003010.26599/POM.2023.9140030Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospectsYang An0https://orcid.org/0009-0004-7737-995XLingling Wang1Weiyi Jiang2Xinling Lv3Guoqiang Yuan4Xinxin Hang5Huan Pang6https://orcid.org/0000-0002-5319-0480School of Chemistry and Chemical Engineering (Institute for Innovative Materials and Energy), Yangzhou University, Yangzhou 225009, ChinaSchool of Chemistry and Chemical Engineering (Institute for Innovative Materials and Energy), Yangzhou University, Yangzhou 225009, ChinaState Key Lab of Crystal Materials, Shandong University, Jinan 250100, ChinaSchool of Chemistry and Chemical Engineering (Institute for Innovative Materials and Energy), Yangzhou University, Yangzhou 225009, ChinaSchool of Chemistry and Chemical Engineering (Institute for Innovative Materials and Energy), Yangzhou University, Yangzhou 225009, ChinaSchool of Chemistry and Chemical Engineering (Institute for Innovative Materials and Energy), Yangzhou University, Yangzhou 225009, ChinaSchool of Chemistry and Chemical Engineering (Institute for Innovative Materials and Energy), Yangzhou University, Yangzhou 225009, ChinaWith the exhaustion of conventional fossil fuels, the exploration of green and sustainable energy will become an important topic of social development. Hydrogen is considered a clean and effective energy source, and its combustion produces only water, which is harmless to the environment. Photocatalytic water splitting, which utilizes solar energy and produces H2 and O2, can become a very important reaction for alleviating energy shortages and environmental pollution. Water splitting includes the reduction and oxidation half-reactions, among which the oxidation half-reaction is the rate-determining process. Even though current studies mainly focus on the H2 or O2 evolution reactions in the presence of sacrificial agents, overall water splitting remains a challenging problem. Metal–organic frameworks (MOFs) and their precursors have been attracting increasing attention as photocatalysts for water splitting. This paper reviews the research progress in MOFs for photocatalytic overall water splitting and discusses the development prospects and challenges of MOFs. In this study, the research progress in MOF-based water-splitting catalysts for photocatalysis and electrocatalysis is systematically reviewed. Herein, MOF-based catalysts are classified into MOFs, MOF composites, and MOF-derived photocatalysts. We also analyze the prospects and challenges in the preparation of efficient and stable MOF photocatalysts for overall water splitting and propose the construction of new efficient MOFs with double active sites, aiming to improve the efficiency of photocatalytic hydrogen and oxygen evolution to achieve the overall water splitting.https://www.sciopen.com/article/10.26599/POM.2023.9140030metal–organic franeworks (mofs)mof-based materialsoverall water-splitting photocatalysts
spellingShingle Yang An
Lingling Wang
Weiyi Jiang
Xinling Lv
Guoqiang Yuan
Xinxin Hang
Huan Pang
Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
Polyoxometalates
metal–organic franeworks (mofs)
mof-based materials
overall water-splitting photocatalysts
title Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
title_full Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
title_fullStr Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
title_full_unstemmed Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
title_short Metal–organic framework-based materials for photocatalytic overall water splitting: Status and prospects
title_sort metal organic framework based materials for photocatalytic overall water splitting status and prospects
topic metal–organic franeworks (mofs)
mof-based materials
overall water-splitting photocatalysts
url https://www.sciopen.com/article/10.26599/POM.2023.9140030
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