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South African Journal of Chemistry

On-line version ISSN 1996-840X
Print version ISSN 0379-4350

S.Afr.j.chem. (Online) vol.65  Durban  2012

 

RESEARCH ARTICLE

 

Hydrothermal synthesis of CdWO4 nanorods and their photoluminescence properties

 

 

Bin GaoI, II; Huiqing FanI, *; Xiaojun ZhangII

IState Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China
IISchool of Science, Xi'an Polytechnic University, Xi'an 710048, China

 

 


ABSTRACT

CdWO4 nanorods with wolframite structure were synthesized in the presence of the surfactant SDBS by a hydrothermal method, and characterized by a variety of techniques. The obtained products are CdWO4 nanorods with length of 0.8-2.5 µm and width of 50-250 nm. The surfactant SDBS plays a key role in the formation of the CdWO4 nanorods. The pH value impacts on crystallinity of the products. The PL properties of the CdWO4 nanorods prepared under different conditions were studied. The intensity of the PL emissions of the samples increases with crystallinity and aspect ratio of the CdWO4 nanorods.

Keywords: CdWO4 nanorods, photoluminescence, hydrothermal method


 

 

Full text available only in PDF format.

 

Acknowledgements

This work was supported by the National Nature Science Foundation (51172187), the SPDRF (20116102130002) and 111 Program (B08040) of MOE, Xi'an Science and Technology Foundation (CX1261-2) of China.

 

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Received 5 May 2012
Revised 28 May 2012
Accepted 4 June 2012

 

 

* To whom correspondence should be addressed. E-mail: hqfan3@163.com

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