Tuning the internal structures of CdSeS nanoparticles by using different selenium and sulphur precursors

Chen, Xianfeng, Hutchison, John L., Dobson, Peter J. and Wakefield, Gareth (2010) Tuning the internal structures of CdSeS nanoparticles by using different selenium and sulphur precursors. Materials Science and Engineering B, 166 1: 14-18. doi:10.1016/j.mseb.2009.09.021


Author Chen, Xianfeng
Hutchison, John L.
Dobson, Peter J.
Wakefield, Gareth
Title Tuning the internal structures of CdSeS nanoparticles by using different selenium and sulphur precursors
Journal name Materials Science and Engineering B   Check publisher's open access policy
ISSN 0921-5107
1873-4944
Publication date 2010-01-15
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.mseb.2009.09.021
Volume 166
Issue 1
Start page 14
End page 18
Total pages 5
Place of publication Lausanne, Switzerland
Publisher Elsevier Science
Collection year 2011
Language eng
Subject 02 Physical Sciences
03 Chemical Sciences
09 Engineering
Formatted abstract
Alloyed CdSeS nanoparticles (NPs) with composition gradient and homogeneous internal structures have been successfully prepared in aqueous solution by using different selenium and sulphur precursors. The as-prepared NPs form a homogeneous internal structure when sodium selenide and sodium sulphide were used as selenium and sulphur precursors, respectively. Gradient internal structures were obtained for alloyed CdSeS NPs prepared by using sodium selenosulphate and sodium thiosulphate as selenium and sulphur precursors, respectively. The method takes advantage of the fact that different selenium/sulphur sources release selenium/sulphur ions at different rates or have different reaction rates of selenium/sulphur toward cadmium.
© 2009 Elsevier B.V. All rights reserved.
Keyword Internal structure
Nanoparticles
Alloyed
CdSeS
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 12 October 2009.

 
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Created: Tue, 28 Sep 2010, 19:57:05 EST by Jon Swabey on behalf of Aust Institute for Bioengineering & Nanotechnology