钴基助催化剂在光催化产氢中的应用研究进展  

Research progress on the application of Co-based cocatalysts in the photocatalytic production of hydrogen

作　　者：孙海涛[1] 张芳 王一凡 黄芳 孙传智[2] SUN Hai-tao;ZHANG Fang;WANG Yi-fan;HUANG Fang;SUN Chuan-zhi(Department of Assets and Laboratory Mamagement,Shandong Normal University,Jinan 250014,China;College of Chemistry,Chemical Engineering and Materials Science,Shandong Normal University,Jinan 250014,China)

机构地区：[1]山东师范大学资产与实验室管理处,山东济南250014 [2]山东师范大学化学化工与材料科学学院,山东济南250014

出　　处：《化学研究与应用》2024年第1期1-9,共9页Chemical Research and Application

基　　金：国家自然科学基金面上项目(22372093)资助;国家自然科学基金面上项目(21976111)资助。

摘　　要：通过光催化分解水产生的氢气可以用于驱动燃料电池或其他能源转换设备,这有助于减少对化石燃料的依赖,减少温室气体排放。但是实验发现,很多光催化剂存在可见光利用率低和光生电子-空穴易复合的问题。为了抑制光生电子-空穴的复合,提高光催化剂产氢效率,研究者们尝试了多种催化剂改性方式,加入助催化剂是其中最有效的方式之一。传统的贵金属助催化剂虽然有良好的效果,但是价格高,不利于大量生产应用。钴(Co)是一种廉价易得的过渡金属,作为助催化剂其效果有时可与铂(Pt)等贵金属相当。本文总结了不同Co基助催化剂,如Co的硫化物、氧化物、氢氧化物以及磷化物等助催化剂在光解水产氢方面的研究进展,希望对该领域的研究提供一些有价值的参考。Hydrogen generated by photocatalytic water spliting can be used to drive fuel cells or other energy conversion devices,contributing to reducing reliance on fossil fuels and mitigating greenhouse gas emissions.However,experimental findings have revealed that many photocatalysts suffer from low utilization of visible light and a high rate of recombination of photogenerated electron-hole pairs.To suppress the recombination of photogenerated electron-hole pairs and enhance the hydrogen production efficiency of photocatalysts,researchers have explored various modifications,with the addition of cocatalysts being one of the most effective methods.While traditional precious metal cocatalysts yield excellent results,they are expensive and less suitable for large-scale production and application.Cobalt(Co),being an inexpensive and readily available transition metal,is often used as a cocatalyst,and its performance can sometimes rival that of precious metals like platinum(Pt).This article summarizes the research progress on various Co-based co-catalysts,such as Co sulfides,oxides,hydroxides,and phosphides,in the photocatalytic hydrogen production from water.It is hoped that this review will provide valuable references for research in this field.

关 键 词：钴基助催化剂 光催化产氢 反应机理 

分 类 号：O643.3[理学—物理化学]