Influences of Zr4+ and Polyacrylamide on Structural and Optical Properties of ZnO Nanoparticles Prepared via Microwave Irradiation

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Abstract:

The effects of polyacrylamide (PAM) as a capping agent, and zirconium as a dopant, on the structural and optical properties of ZnO nanoparticles were investigated. All the samples were prepared by microwave irradiation in an aqueous system without a post-annealing step. The crystallite sizes were decreased by the incorporation of Zr and PAM. The photoluminescence efficiency was enhanced for samples with PAM-capped ZnO and PAM-capped ZnO doped with Zr, when compared to the pure ZnO. The broad visible luminescence signified the suitability of these nanoparticles as a white phosphor.

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Periodical:

Advanced Materials Research (Volumes 55-57)

Pages:

613-616

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Online since:

August 2008

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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