期刊
FUEL
卷 307, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2021.121745
关键词
cocatalysts; TiO2-based photocatalysts; hydrogen production
资金
- Brain Pool Program through the National Research Foundation of Korea (NRF) - Ministry of Science and ICT [2020H1D3A1A04081409]
- Vingroup Joint Stock Company
- Domestic Master/PhD Scholarship Programme of Vingroup Innovation Foundation (VINIF), Vingroup Big Data Institute (VINBIGDATA) [VINIF.2020.TS.55]
- Natural Science Foundation of Jiangsu Province [BK20200775]
- Advanced Analysis and Test Center of Nanjing Forestry University
TiO2-based photocatalysts have been crucial for solar-driven hydrogen production, but the poor separation of electron-hole pairs has limited their activity. Coupling with cocatalysts can effectively suppress charge recombination and enhance active centers for boosting H-2 evolution performance.
TiO2-based photocatalysts have been maintained as the most prominent candidate for solar-driven hydrogen (H-2) evolution over the past decades. However, poor separation of generated electron-hole pairs has been considered the bottle-neck issue, restricting the TiO2 activity. Coupling a TiO2 photocatalyst to cocatalyst(s) turns out to be the ideal strategy to suppress the charge recombination and offer robust active centres, boosting the H-2 evolution performance. This review aims at providing the frontier investigations of cocatalysts-integrated TiO2 for photoinduced H-2 evolution. Four types of cutting-edge development of cocatalysts, including metal (noble metal, non-noble metal, bimetallic), metal sulfides and metal phosphides, 2D-MXenes, and dual materials-based cocatalysts, have been successfully highlighted and discussed. The systematically provided cocatalysts, which remarkably promote the charge separation and facilitate the surface reactions, bring out a roadmap to inspire the preparation of superior TiO2-based materials for H-2 evolution shortly. We expect this review could provide enriched information to tailor the TiO2 supported active sites of cocatalysts for highly photo-induced H-2 evolution.
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