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Faculty of Sciences
Document Details
Document Type
:
Article In Journal
Document Title
:
Fabrication of CdMoO4@CdS core-shell hollow superstructures as high performance visible-light driven photocatalysts
Fabrication of CdMoO4@CdS core-shell hollow superstructures as high performance visible-light driven photocatalysts
Subject
:
physics
Document Language
:
English
Abstract
:
CdMoO4@CdS core-shell hollow microspheres with the diameter of 2-3 mm were synthesized through a simple ion exchange hydrothermal method by using CdMoO4 solid microspheres as the sacrificial template in the presence of thioacetamide (TAA). Based on the detailed investigation it was found that the concentration of TAA in the starting solution affects the size of the CdS nanosheets and the hollowing process. At the TAA concentration of 0.1 M, CdMoO4@CdS core-shell hollow spheres with a CdS nanosheet thickness of 50-100 nm were obtained. The formed CdS nanosheets have a hexagonal wurtzite structure and exhibit good size uniformity and regularity. Furthermore, the photocatalytic activity of the as-prepared samples was evaluated towards degradation of Rhodomine B (RhB) aqueous dye solution under visible-light. Compared to CdMoO4 microspheres, CdMoO4@CdS coreshell hollow microspheres show enhanced photocatalytic activity. The observed photocatalytic performance was attributed to the synergetic effects of composite morphology, pore structure, and exposed two-dimensional (2D) CdS nanosheets with dominant 001 facets in CdMoO4@CdS core-shell hollow microspheres. Furthermore, the growth mechanism of CdMoO4@CdS hollow microspheres was discussed in detail
ISSN
:
1463-9076
Journal Name
:
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume
:
17
Issue Number
:
23
Publishing Year
:
1435 AH
2015 AD
Article Type
:
Article
Added Date
:
Monday, August 21, 2017
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
P Madhusudan
Madhusudan, P
Investigator
Doctorate
J Zhang
Zhang, J
Researcher
Doctorate
B Cheng
Cheng, B
Researcher
Doctorate
J.G Yu
Yu, J.G
Researcher
Doctorate
jphu@iphy.ac.cn
Files
File Name
Type
Description
42732.pdf
pdf
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