期刊
ACS ENERGY LETTERS
卷 5, 期 3, 页码 844-866出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.9b02620
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资金
- Basic Science Center Program for Order-ised Energy Conversion of the National Natural Science Foundation of China [51888103]
- China National Key Research and Development Plan Project [2018YFB1502000]
- National Natural Science Foundation of China [21606175]
- Shaanxi Technical Innovation Guidance Project [2018HJCG-14]
Photoelectrochemical (PEC) water splitting represents a promising route to convert solar energy into clean hydrogen. Constructing tandem cells has emerged as a feasible approach and attracted tremendous attention for self-biased water splitting, especially using low-cost and stable metal oxides. Herein, a state-of-the-art review of metal oxide-based PEC/photovoltaic (PV) tandem cells and PEC tandem cells is comprehensively presented, with a focus on crucial issues of designing efficient tandem devices from the aspects of the photoanodes, photocathodes, and photovoltaics. Different device configurations and efficiency limitations of tandem cells are introduced, and advances of metal oxide-based PEC/PV and PEC tandem cells in terms of material design and device optimization are discussed. Metal oxide-based tandem cells have shown solar-to-hydrogen efficiencies of similar to 8%, which is approaching practicality. Perspectives on remaining challenges and potential strategies are outlined.
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