Journal
MATERIALS LETTERS
Volume 117, Issue -, Pages 158-161Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.11.128
Keywords
Zn1-xCdxS; Combustion; Luminescence; Photocatalysis; Functional
Funding
- National Natural Science Foundation of China [51002069, 51172102]
- Scientific Research Foundation of Liaocheng University, and College Students' Sci-tech
- Culture Innovation Foundation of Liaocheng University [SF2013031]
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Zn1-xCdxS (x=0-1.0) powders were synthesized by a simple combustion method using cadmium nitrate, zinc nitrate and thiourea as raw materials. The structures, morphologies, absorbance, luminescence and photocatalytic properties of the samples were studied by X-ray powder diffraction, transmission electron microscopy, ultraviolet-visible spectrophotometry and photoluminescence. The results show that all Zn1-xCdxS samples exhibit hexagonal structure and no metastable cubic phase is obtained. With increasing content of Cd, red-shifts are observed in both the absorption edges of UV-vis absorption spectra and emission bands of photoluminescence spectra. Among all Zn1-xCdxS samples, CdS shows the best visible-light photocatalytic performance due to its narrow bandgap. (C) 2013 Elsevier B.V. All rights reserved.
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