期刊
ENERGY & FUELS
卷 34, 期 4, 页码 5016-5023出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.energyfuels.0c00432
关键词
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资金
- National Natural Science Foundation of China [21971064, 21772040, 21572062, 21702069]
- Shanghai Municipal Science and Technology Major Project [2018SHZDZX03]
- Fundamental Research Funds for the Central Universities [50321101918001, 222201717003]
- Programme of Introducing Talents of Discipline to Universities [B16017]
- Shanghai Science and Technology Committee [17520750100]
Unassisted solar water splitting can be realized by connecting a photovoltaic (PV) device in series with a photoelectrochemical cell (PEC). However, the complex fabrication methods and inevitable usage of noble metal have limited its development. In this work, we have constructed a wired tandem device with printable triple-mesoscopic perovskite solar cells and a BiVO4 based PEC. Moreover, a noble-metal-free device was fabricated by using spin-coated amorphous MoSx films as a cathode instead of Pt. In unit area, the different fabrication forms of perovskite solar cells were proved to have a huge influence for the overall performance of the tandem device, in which three-serial PV (PV3) based device showed the highest photocurrent density of similar to 3.0 mA/cm(2) without external bias, and corresponding solar-to-hydrogen (STH) efficiency was 3.1%. The noble-metal-free tandem device was fabricated using spin-coating and screen-printing methods, representing an environmentally friendly and sustainable method to generate hydrogen fuel.
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