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Hydrothermal Synthesis and Photocatalytic Hydrogen Generation of Cr3+ Doped Porous ZnIn2S4 Photocatalysts

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Abstract:

A series of Cr3+doped porous ZnIn2S4 photocatalysts were synthesized via a facile hydrothermal method using cetylpyridiniumbromide (CPBr) as template. The above-prepared photocatalysts were characterized by XRD, FESEM, DRS and XPS. The effects of different Cr3+ doping concentration on the morphology and photocatalytic activity of ZnIn2S4 photocatalysts were investigated. It is demonstrated from the experimental results that Cr3+doping in the ZnIn2S4 photocatalyst had significantly influence on the crystal structure, electron-hole recombination and photocatalytic activity. The highest rate of hydrogen evolution of 3115.2 μmol/(h•g) over Cr3+ (0.5%)- ZnIn2S4 photocatalyst was observed.

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Periodical:

Advanced Materials Research (Volume 651)

Pages:

54-59

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.651.54

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Online since:

January 2013

Authors:

Wei Wu, Xue Feng Bai

Keywords:

Cr3+ Doping, Hydrogen Generation, Hydrothermal Synthesis, ZnIn2s4

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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