3C-SiC/ZnS heterostructured nanospheres with high photocatalytic activity and enhancement mechanism | Zendy

J. Zhang | Zendy; Xinglong Wu | Zendy; L. Z. Liu | Zendy; Lun Yang | Zendy; Zhixing Gan | Zendy; Paul K. Chu | Zendy

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3C-SiC/ZnS heterostructured nanospheres with high photocatalytic activity and enhancement mechanism

Author(s) -

J. Zhang,

Xinglong Wu,

L. Z. Liu,

Lun Yang,

Zhixing Gan,

Paul K. Chu

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4915125

Subject(s) - photocatalysis , materials science , heterojunction , nanocrystal , visible spectrum , optoelectronics , absorption (acoustics) , wide bandgap semiconductor , nanotechnology , chemical engineering , catalysis , chemistry , composite material , biochemistry , engineering

3C-SiC/n-type ZnS heterostructured nanospheres synthesized hydrothermally deliver enhanced photocatalytic performance under visible light excitation. The heterostructured catalysts consisting of 3C-SiC and ZnS nanocrystals with a mean size being less than 5 nm exhibit extended light absorption to the visible range. The proper band structure of the 3C-SiC and ZnS nanocrystals and intrinsic electric field induced by the heterojunction promote separation of photoexcited electrons and holes in the ZnS and 3C-SiC nanocrystals resulting in the increased photocatalytic efficiency. The associated mechanism is studied and proposed

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