催化学报 ›› 2026, Vol. 89: 127-141.DOI: 10.1016/S1872-2067(26)65172-8

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铜族硫属化合物在光催化中的研究进展

郭美君a, Elhussein M. Hashema, Jaenudin Ridwana, 陈恬a, 周鹏b,*(), 冉景润a,*()   

  1. a阿德莱德大学化学工程学院,南澳州阿德莱德,澳大利亚
    b北京大学深圳研究生院环境与能源学院,广东深圳 518055,中国

Research progress on copper chalcogenide compounds in photocatalysis

Meijun Guoa, Elhussein M. Hashema, Jaenudin Ridwana, Tian Chena, Peng Zhoub,*(), Jingrun Rana,*()   

  1. aSchool of Chemical Engineering, Adelaide University, Adelaide 5005, SA, Australia
    bSchool of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, Guangdong, China
  • Received:2026-02-02 Accepted:2026-04-17 Online:2026-10-18 Published:2026-09-01
  • Contact: E-mail: pengzhou1209@pku.edu.cn (P. Zhou),jingrun.ran@adelaide.edu.au (J. Ran).
  • About author:Peng Zhou (Peking University Shenzhen Graduate School) joined Peking University Shenzhen Graduate School as an Assistant Professor in 2023. His research focuses on the controlled synthesis of emerging inorganic semiconductor photocatalysts and their photochemical energy-conversion properties, including photocatalytic overall water splitting for hydrogen production, the preparation of single-atom photocatalysts, and photocatalytic synthesis of value-added organic compounds. According to Web of Science, his work has received over 15000 citations with an h-index of 56. He was awarded the Excellent Young Scientists Fund (Overseas) of National Natural Science Foundation of China in 2023 and was selected for Stanford University’s 2025 World’s Top 2% Scientists and Career-long Impact Ranking lists.
    Jingrun Ran (School of Chemical Engineering, Adelaide University) is currently appointed as a senior lecturer and ARC Future Fellow in Adelaide University. He has published over 81 refereed papers in well-renowned journals, which have received over 22317 citations with an h-index of 50. In 2020-2025, he has been recognized as a Clarivate Highly Cited Researcher. Currently, he is leading a research group focused on the design and engineering of highly efficient reaction device, beginning from the atomic and molecular level, to convert real-world waste (e.g., plastic, E-waste, battery material and CO2) into high-value resource, powered by renewable solar energy.

摘要:

在全球能源需求持续增长、化石能源消耗加剧以及气候变化问题日益突出的背景下, 利用太阳能驱动化学反应的光催化技术受到广泛关注. 传统光催化材料普遍存在光吸收范围窄、载流子复合严重或氧化还原能力不足等问题, 难以同时满足全光谱响应、高效电荷分离、足够表面反应活性和长期稳定性等要求. 铜族硫属化合物, 尤其是富含铜空位的Cu2-xS、Cu2-xSe及相关多元体系, 因具有可调带结构、丰富缺陷化学、较低缺陷形成能以及可见至近红外响应能力, 近年来在光催化领域展现出独特优势. 本文系统综述了铜族硫属化合物的结构特征、制备方法、性能调控与应用进展,旨在为缺陷容忍和全光谱响应光催化材料的理性设计提供参考.

本文首先从材料本征特征出发, 梳理了二元亏铜体系、三元及多元铜族硫属化合物与异质结构体系中铜空位的形成、调控及其对电子结构和催化行为的影响. 结果表明, 适量铜空位可引入受主态、提高空穴载流子浓度、调节费米能级, 并在部分亏铜体系中诱导局域表面等离激元响应, 从而增强可见至近红外光吸收、促进电荷迁移并降低表面催化势垒, 但过高的空位浓度也可能形成深能级陷阱, 加剧电子-空穴复合, 因此空位调控需要在活性提升与复合抑制之间取得平衡. 围绕这一认识, 文章进一步总结了水热/溶剂热、热注入、离子交换及其他制备方法的特点, 指出水热/溶剂热法适合获得高结晶度和可调形貌材料, 但反应时间较长且放大受限; 热注入法有利于精确调控粒径、组成和晶相, 但依赖高温有机体系, 不利于规模化; 离子交换法则在构筑空心、多壳和异质结构方面具有独特优势. 基于缺陷工程与异质结构筑的协同设计, 铜族硫属化合物已在光催化析氢、CO2还原、污染物降解及其他光驱动反应中取得代表性进展. 铜族硫属化合物的光催化性能已不应简单归因于窄带隙特征, 而应从铜空位、局域配位环境、界面内建电场及等离激元相关载流子行为的协同作用来理解. 进一步地, 作者提出“空位-界面耦合”概念, 用于解释真实反应条件下空位、异质界面、局域应变和表面重构之间的动态联系, 并指出未来高性能体系的发展将更加依赖成分调控、缺陷结构和界面电荷转移的协同优化, 而非单一带隙调节.

总体来看, 铜族硫属化合物凭借可调缺陷化学、宽光谱吸收和多尺度界面可设计性, 在太阳燃料转化、环境净化和选择性光催化反应中具有重要发展潜力. 但其实际应用仍受到稳定性不足、机理证据缺乏和规模化制备困难等问题制约. 未来研究应加强原位表征, 跟踪空位在反应过程中的动态演化, 建立原子尺度缺陷调控、纳米尺度界面设计与介观传输行为之间的系统联系, 并推动长期稳定性评价和标准化测试体系建设. 本文从缺陷、界面与应用协同调控的角度梳理了该领域的发展脉络, 可为后续铜族硫属光催化剂的高效化、稳定化和实用化设计提供有价值的参考.

关键词: 光催化, 铜族硫属化合物, 异质结, 缺陷工程

Abstract:

Copper chalcogenides with rich copper vacancies in their framework have garnered increased attention in the field of photocatalysis. Engineering copper vacancies can significantly tune the optical, electronic and catalytic properties of copper chalcogenides through the introduction of defect states, orbital hybridization, and activation of surface reactants. These contribute to the wide light response from the visible to near-infrared region, enhanced charge separation, and a reduced surface catalytic barrier. In this review, copper sulfides are discussed as the primary focus, while copper selenides and copper tellurides are also included as related systems. The morphological control, chemical composition, and defect state of copper chalcogenides can be further regulated with advanced synthesis methods at the electronic and atomic scale to effectively tune the vacancies and rationally design interface assembly. The development of copper chalcogenides is broadening their applications, including solar hydrogen generation, carbon dioxide reduction, decomposition of toxic chemicals, and other light-driven reactions. However, it remains challenging to achieve atomic-level tailoring while stabilizing vacancies under operational conditions, as well as to attain long-term aqueous stability and resistance to oxidation. This review summarizes recent progress in copper chalcogenide photocatalysts and provides perspectives on the future development of defect-tolerant and full-spectrum photocatalysts for sustainable energy conversion and environmental purification.

Key words: Photocatalysis, Copper chalcogenides, Heterojunctions, Defect engineering