Nanostructured CdS for efficient photocatalytic H2 evolution: A review
Nanostructured CdS for efficient photocatalytic H2 evolution: A review
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用于高效光催化产氢的纳米结构 CdS：综述
DOI：
10.1007/s40843-020-1456-x
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发表时间：
2020-10
期刊：
影响因子：
--
通讯作者：
Li Xin
中科院分区：
文献类型：
--
作者：
Shen Rongchen;Ren Doudou;Ding Yingna;Guan Yatong;Ng Yun Hau;Zhang Peng;Li Xin
硫化镉（cd）基光催化剂因其强的可见光吸收、合适的能带能级和优异的电荷输运性能而受到广泛关注。本文综述了近年来具有优异光催化析氢性能的cds基光催化剂的设计、修饰和结构的研究进展。首先，简要介绍了光催化析氢的基本概念和机理。然后，详细介绍了CdS在光催化制氢中的基本性质、重要进展和瓶颈，概述了该材料的潜力。随后，讨论了基于cds的光催化剂制备太阳能H2的各种改性策略，其中有效的方法旨在产生更多的载流子，促进有效的电荷分离，促进界面电荷转移，加速电荷利用，抑制电荷诱导的自光腐蚀。通过实例全面讨论了影响光催化剂性能的关键因素以及每种改性策略对塑造未来研究方向的可行性。最后，展望了纳米结构CdS和光催化析氢纳米复合材料的发展前景和面临的挑战。
Cadmium sulfide (CdS)-based photocatalysts have attracted extensive attention owing to their strong visible light absorption, suitable band energy levels, and excellent electronic charge transportation properties. This review focuses on the recent progress related to the design, modification, and construction of CdS-based photocatalysts with excellent photocatalytic H2 evolution performances. First, the basic concepts and mechanisms of photocatalytic H2 evolution are briefly introduced. Thereafter, the fundamental properties, important advancements, and bottlenecks of CdS in photocatalytic H2 generation are presented in detail to provide an overview of the potential of this material. Subsequently, various modification strategies adopted for CdS-based photocatalysts to yield solar H2 are discussed, among which the effective approaches aim at generating more charge carriers, promoting efficient charge separation, boosting interfacial charge transfer, accelerating charge utilization, and suppressing charge-induced self-photocorrosion. The critical factors governing the performance of the photocatalyst and the feasibility of each modification strategy toward shaping future research directions are comprehensively discussed with examples. Finally, the prospects and challenges encountered in developing nanostructured CdS and CdS-based nanocomposites in photocatalytic H2 evolution are presented.
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