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Synthesis of TiO2@ZnIn2S4 hollow nanospheres with enhanced photocatalytic hydrogen evolution by He Li; Zi-Hao Chen; Lei Zhao; Gui-Dong Yang is a Engineering article available to read on EtoBox.

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In this work, we designed and prepared the novel TiO 2 @ZnIn 2 S 4 nano-sized hollow structure via templating method assisted by hydrothermal synthesis process. Its unique hollow structure and type-II heterojunction between TiO 2 hollow nanospheres and ZnIn 2 S 4 nanosheet can provide enough interior cavities and transfer paths for the light absorption and charge quick migration. The crystal structure, morphology and charges separation property were measured. The characterization results show that the hollow-structured TiO 2 @ZnIn 2 S 4 was successfully prepared, and the optimal sample exhibited excellent photocatalytic hydrogen generation compared with TiO 2 /ZnIn 2 S 4 cluster exceeding by a factor of 1.1 under overall light irradiation. Specially, the detailed mechanism of the photocatalytic H 2 evolution and charge carrier migration for the as-prepared TiO 2 @ZnIn 2 S 4 hollow nanosphere was also studied.

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Author

He Li; Zi-Hao Chen; Lei Zhao; Gui-Dong Yang

Publisher

Springer Science and Business Media LLC

Published

2019

Language

EN

Field

Engineering (Physical Sciences)