Journal
APPLIED SURFACE SCIENCE
Volume 258, Issue 10, Pages 4370-4376Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2011.12.116
Keywords
CdS; Nanoparticles; Composite-molten-salt; Photodegradation
Categories
Funding
- NSFC [60976055]
- Postgraduates' Science and Innovation Fund [CDJXS11100006]
- Innovative Training Project of the 3rd-211 Project [S-09109]
- Chongqing University
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Single-crystalline CdS nanoparticles were synthesized for the first time by the composite-molten-salt (CMS) method, with advantages of one-step, ambient pressure, low temperature, template-free and low cost. The influence of temperature, growth time and amount of salts on the morphology of CdS nanoparticles was systematically investigated. It shows that a smaller size of CdS nanoparticles can be obtained under lower temperature, less growth time and more composite salts. UV-vis reflection spectrum of the nanoparticles reveals that the nanoparticles have a bandgap of 2.34 eV. Photoluminescence spectrum was also carried out to explore its optical property. Photocatalytic degradation of rhodamine B (RhB) and methylene blue (MB) in presence of the CdS nanoparticles was compared with that in presence of the commercial TiO2 nanoparticles under the simulated sunlight. (C) 2012 Elsevier B.V. All rights reserved.
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