The photocatalytic H2O2 production by metal-free photocatalysts under visible-light irradiation

IF 20.2 1区化学 Q1 CHEMISTRY, PHYSICAL

Applied Catalysis B: Environmental Pub Date : 2023-09-06 DOI:10.1016/j.apcatb.2023.123271

Xiahong Xu , Yan Sui , Wentong Chen , Wei Huang , Xiaodan Li , Yuntong Li , Dongsheng Liu , Shuang Gao , Wenxin Wu , Changwang Pan , Hong Zhong , He-Rui Wen , Meicheng Wen

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引用次数: 0

Abstract

The photocatalytic H₂O₂ production from H₂O and O₂ over organic polymers is a promising approach to achieve solar-to-chemical energy conversion. The continuous efforts have led to rapid development of various metal-free-based photocatalysts for specific H₂O₂ production, but generalizations and summarization are obviously inadequate. This review mainly focuses on the state-of-the-art development process of metal-free-based photocatalysts for photocatalytic H₂O₂ production via combining O₂ reduction and H₂O oxidation reactions under visible light irradiation. The representative research work on photocatalytic H₂O₂ production by various metal-free-based photocatalytic systems, including graphite carbon nitride (g-C₃N₄), covalent organic frameworks (COFs), covalent triazine frameworks (CTFs) and covalent organic polymers (COPs) was highlighted. The strategies for structure and property optimization of metal-free-based photocatalysts at molecular-level have been proposed for improving the photocatalytic performance. The challenges and future directions have also been provided to guide the design and synthesis of metal-free-based photocatalytic system.

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可见光下无金属光催化剂光催化生产H2O2的研究

有机聚合物上由H2O和O2光催化生产H2O2是一种很有前途的实现太阳能到化学能转换的方法。随着人们的不断努力，各种无金属基光催化剂在特定生产H2O2方面发展迅速，但推广和总结明显不足。本文主要综述了可见光下O2还原与H2O氧化反应相结合的无金属基光催化产H2O2催化剂的研究进展。重点介绍了石墨氮化碳(g-C3N4)、共价有机框架(COFs)、共价三嗪框架(CTFs)和共价有机聚合物(cop)等无金属基光催化体系在光催化生产H2O2方面的代表性研究工作。为提高无金属基光催化剂的光催化性能，提出了在分子水平上优化其结构和性能的策略。为指导无金属基光催化体系的设计和合成提供了挑战和未来发展方向。

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来源期刊

Applied Catalysis B: Environmental 环境科学-工程：化工

CiteScore

38.60

自引率

6.30%

发文量

1117

审稿时长

24 days

期刊介绍： Applied Catalysis B: Environment and Energy (formerly Applied Catalysis B: Environmental) is a journal that focuses on the transition towards cleaner and more sustainable energy sources. The journal's publications cover a wide range of topics, including: 1.Catalytic elimination of environmental pollutants such as nitrogen oxides, carbon monoxide, sulfur compounds, chlorinated and other organic compounds, and soot emitted from stationary or mobile sources. 2.Basic understanding of catalysts used in environmental pollution abatement, particularly in industrial processes. 3.All aspects of preparation, characterization, activation, deactivation, and regeneration of novel and commercially applicable environmental catalysts. 4.New catalytic routes and processes for the production of clean energy, such as hydrogen generation via catalytic fuel processing, and new catalysts and electrocatalysts for fuel cells. 5.Catalytic reactions that convert wastes into useful products. 6.Clean manufacturing techniques that replace toxic chemicals with environmentally friendly catalysts. 7.Scientific aspects of photocatalytic processes and a basic understanding of photocatalysts as applied to environmental problems. 8.New catalytic combustion technologies and catalysts. 9.New catalytic non-enzymatic transformations of biomass components. The journal is abstracted and indexed in API Abstracts, Research Alert, Chemical Abstracts, Web of Science, Theoretical Chemical Engineering Abstracts, Engineering, Technology & Applied Sciences, and others.