期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 47, 期 15, 页码 9220-9229出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2021.12.259
关键词
Metal organic frameworks; Heterojunction; Photocatalytic hydrogen production; Simulated seawater; Hollow heterostructure
资金
- National Natural Science Foundation of China [62104003, 22004003, 22075266]
- Natural Science Foundation of Anhui Province [1908085QB75]
In recent years, there has been a lack of high-efficiency photocatalysts for photocatalytic seawater splitting, despite numerous studies on photocatalytic water splitting. In this study, a series of composite photocatalysts were prepared, and the H-CoS/CdS achieved high hydrogen production efficiency in pure water and simulated seawater.
In recent years, there have been many studies on photocatalytic water splitting, but there are still few high-efficiency photocatalysts for photocatalytic seawater splitting. In this study, a series of hollow Co sulphide-supported CdS catalyst (H-CoS/CdS) composite photocatalysts were prepared by loading CdS onto the surface of H-CoS, which can be used for efficient H-2 production in pure water and simulated seawater. The heterojunction H-CoS/CdS exhibited H-2 production of 572.4 mmol g(-1) (4 h) from simulated seawater, which is 97.7 and 2.96 times those of H-CoS and CdS, respectively. The h-CoS cocatalyst extended the light absorption range of CdS, improved the chemical stability, and significantly enhances the charge separation efficiency. This study provides guidance for the reasonable design of a photocatalytic seawater-based H-2 production catalyst with high efficiency and low cost. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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