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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 463-464Preparation and Photoluminescence Properties of...

Preparation and Photoluminescence Properties of ZnO-Covered Carbon Fibers

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Abstract:

This paper reports that ZnO nanosheet-covered carbon fibers are synthesized by thermal oxidation of zinc films deposited on carbon fiber surfaces. The structure and optical properties were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and photoluminescence (PL) spectrum. The result shows that all of the cabon fibers are coated ZnO nanosheets. An orange-red emission around 683 nm was found in PL spectrum when the sample prepared at 400 oC for 4 hours in air. I considered that the growth of ZnO nanosheets may be related to the size of substrates and reaction temperature. The orange-red emission was resulted from the interstitial carbon of ZnO-nanosheet-covered fibers, and green emission results from the oxygen vacancies.

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Advanced Materials Research II

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Periodical:

Advanced Materials Research (Volumes 463-464)

Pages:

510-514

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.463-464.510

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Online since:

February 2012

Authors:

Jun Zeng

Keywords:

Carbon Fiber (CF), Electro-Deposition, Photoluminescence (PL) Spectrum, ZnO Nanostructure

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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