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- W3027391864 abstract "Environmentally friendly and low-cost Cu 2 ZnSnS 4 (CZTS) is a promising light absorber for photoelectrochemical (PEC) hydrogen production from water splitting due to the earth-abundant elements, high absorption coefficient, and narrow bandgap. Herein, the hierarchical CZTS film with porous nanostructures was successfully synthesized by a template method. The hierarchical CZTS film was composed of flower-like particles, which were assembled with thin CZTS nanosheets. Macropores were generated owing to the aggregation of flower-like spheres, and mesopores were formed from the stacking of CZTS nanosheets. Compared to the dense CZTS film, the porous hierarchical CZTS film showed a much higher PEC property for water splitting. The improved performance could be attributed to three merits of the porous hierarchical morphology: enhanced light absorption, improved charge separation and transfer, and enlarged electrochemically active surface area. This study provides a useful idea to design efficient semiconductor photoelectrodes for water splitting with delicately controlled morphology. • The porous hierarchical Cu 2 ZnSnS 4 film was prepared for PEC water splitting. • Flower-like Cu 2 ZnSnS 4 particles assembled with thin nanosheets were generated. • The porous hierarchical Cu 2 ZnSnS 4 film showed a higher property than the dense film. • The improved property was ascribed to three merits of porous hierarchical morphology." @default.
- W3027391864 created "2020-05-29" @default.
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- W3027391864 date "2021-01-01" @default.
- W3027391864 modified "2023-10-16" @default.
- W3027391864 title "Template synthesis of porous hierarchical Cu2ZnSnS4 nanostructures for photoelectrochemical water splitting" @default.
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- W3027391864 doi "https://doi.org/10.1016/j.ijhydene.2020.04.243" @default.
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