Wang Wei, Li Tao, Komarneni Sridhar, Lu Xin, Liu Baojiang
Department of Textile Garment & Design, Changshu Institute of Technology, Suzhou 215500, China; Key Laboratory of Science and Technology of Eco-textile, Ministry of Education, College of Chemistry, Chemical Engineering and Boitechnology, DongHua University, Shanghai 201620, China.
Department of Textile Garment & Design, Changshu Institute of Technology, Suzhou 215500, China.
J Colloid Interface Sci. 2022 Feb 15;608(Pt 2):1553-1575. doi: 10.1016/j.jcis.2021.10.051. Epub 2021 Oct 13.
Recent progress in photocatalytic hydrogen generation reaction highlights the critical role of co-catalysts in enhancing the solar-to-fuel conversion efficiency of diverse band-matched semiconductors. Because of the compositional flexibility, adjustable microstructure, tunable crystal phase and facet, cobalt-based co-catalysts have stimulated tremendous attention as they have high potential to promote hydrogen evolution reaction. However, a comprehensive review that specifically focuses on these promising materials has not been reported so far. Therefore, this present review emphasizes the recent progress in the pursuing of highly efficient Co-based co-catalysts for water splitting, and the advances in such materials are summarized through the analysis of structure-activity relationships. The fundamental principles of photocatalytic hydrogen production are profoundly outlined, followed by an elaborate discussion on the crucial parameters influencingthe reaction kinetics. Then, the co-catalytic reactivities of various Co-based materials involving Co, Co oxides, Co hydroxides, Co sulfides, Co phosphides and Co molecular complexes, etc, are thoroughly discussed when they are coupled with host semiconductors, with an insight towards the ultimateobjective of achieving a rationally designed photocatalyst for enhancing water splitting reaction dynamics. Finally, the current challenge and future perspective of Co-based co-catalysts as the promising noble-metal alternative materials for solar hydrogen generation are proposed and discussed.
光催化产氢反应的最新进展凸显了助催化剂在提高各种能带匹配半导体的太阳能到燃料转换效率方面的关键作用。由于组成的灵活性、可调节的微观结构、可调控的晶相和晶面，钴基助催化剂因其在促进析氢反应方面具有巨大潜力而备受关注。然而，迄今为止尚未有专门针对这些有前景材料的全面综述报道。因此，本综述着重介绍了在追求用于水分解的高效钴基助催化剂方面的最新进展，并通过分析结构-活性关系总结了此类材料的研究进展。深刻概述了光催化产氢的基本原理，随后详细讨论了影响反应动力学的关键参数。然后，全面讨论了各种钴基材料（包括Co、Co氧化物、Co氢氧化物、Co硫化物、Co磷化物和Co分子配合物等）与主体半导体耦合时的助催化反应活性，以期实现合理设计的光催化剂以增强水分解反应动力学这一最终目标。最后，提出并讨论了钴基助催化剂作为太阳能制氢中有前景的贵金属替代材料目前面临的挑战和未来展望。
