Synthesis of urchin-like CdWO4 microspheres via a facile template free hydrothermal method

Ling, Yichuan, Zhou, Liang, Tan, Lei, Wang, Yunhua and Yu, Chengzong (2010) Synthesis of urchin-like CdWO4 microspheres via a facile template free hydrothermal method. CrystEngComm, 12 10: 3019-3026. doi:10.1039/b927420k


Author Ling, Yichuan
Zhou, Liang
Tan, Lei
Wang, Yunhua
Yu, Chengzong
Title Synthesis of urchin-like CdWO4 microspheres via a facile template free hydrothermal method
Formatted title
Synthesis of urchin-like CdWO4 microspheres via a facile template free hydrothermal metho
Journal name CrystEngComm   Check publisher's open access policy
ISSN 1466-8033
Publication date 2010
Sub-type Article (original research)
DOI 10.1039/b927420k
Open Access Status Not Open Access
Volume 12
Issue 10
Start page 3019
End page 3026
Total pages 8
Place of publication Cambridge, United Kingdom
Publisher Royal Society of Chemistry
Collection year 2011
Language eng
Formatted abstract
Urchin-like CdWO4 microspheres with hollow interiors have been successfully synthesized by a facile template free hydrothermal treatment method. The urchin-like CdWO4 hollow spheres are composed of radiatively assembled single-crystalline CdWO4 nanorods with lengths of several hundred nm and widths of 25-80 nm. The samples exhibit a blue-green emission in the range of 450-500 nm with the emission peak centered around 470 nm when excited at 293 nm. The effects of the preparation conditions such as the hydrothermal synthesis temperature, hydrothermal synthesis time, and the dosage of urea on the crystalline phase as well as morphology of final products have been systematically investigated. The successful synthesis of CdWO4 with a uniform urchin-like morphology relies on not only the choice of peroxo-polytungstic acid precursor, but also a controlled pH adjustment with the help of urea, both of which contribute to a homogenous nucleation and crystal growth process. It is also found that increasing the synthesis temperature, time and dosage of urea will enhance the photoluminescence (PL) emission of resultant materials. Our contribution provides a simple approach to synthesize CdWO4 materials with hierarchical architectures and potential applications as detectors in X-ray devices. © 2010 The Royal Society of Chemistry.
Keyword Hierachical nanostructures
Selective synthesis
Magnetic properties
Reverse micelles
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
Australian Institute for Bioengineering and Nanotechnology Publications
 
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Created: Sun, 17 Oct 2010, 00:15:00 EST