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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 669Composition Dependent Optical Properties of...

Composition Dependent Optical Properties of Zn_1-xCd_xS Nanostructures

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Abstract:

Zn1-xCdxS alloy nanoparticles have been prepared via solvothermal approach. The effects of the mole fraction of Cd on the nanoparticles’ structure, size and photoluminescence spectra were investigated. It shows that with increase in mole fraction of Cd, the lattice structure of Zn1-xCdxS changes from cubic to hexagonal, and the size of these nanoparticles varied within 6-40nm. Room temperature photoluminescence measurements show an intense red shift from 518nm to 662nm. And the band gap energies from 2.3 to 3.54eV can be realized for the Zn1-xCdxS nanopartices. Furthermore, it is found that the conversion of Methylene Blue (MB) using Zn0.6Cd0.4S as the photocatalyst was up to 97% after 2h of irradiation.

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Periodical:

Advanced Materials Research (Volume 669)

Pages:

335-339

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.669.335

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Online since:

March 2013

Authors:

Xue Yun Song, Xiu Xi Wang, Xiang Hua Zeng, Yong Zhang, Yi Pei Hu, Hai Tao Chen

Keywords:

CdS, Photocatalysis, Photoluminescence (PL), UV Absorption, ZnS

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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