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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 279Photoluminescence of ZnO Whiskers with Various...

Photoluminescence of ZnO Whiskers with Various Excitation Intensity at Room Temperature

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Abstract:

Hexagonal ZnO whiskers were prepared by using an optical floating zone furnace. Most of the as-grown whiskers have diameters of about 20-30 µm and lengths of about 2~3 mm. The characteristic peaks of X-ray diffraction (XRD) verify that the as-grown ZnO whiskers have excellent hexagonal wurtzite phase and (001) orientation. The room-temperature photoluminescence spectra show a near-UV emission band located at 380 nm and a green light emission band centered at 515 nm. The threshold of near-UV emission and lasing were observed.

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Periodical:

Advanced Materials Research (Volume 279)

Pages:

161-165

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.279.161

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Online since:

July 2011

Authors:

Xing Yuan Guo, Jing Zhou, Zhan Hui Ding, Yan Feng Xue, Bin Yao

Keywords:

Photoluminescence (PL), UV, Whisker, X-Ray Diffraction (XRD), Zinc Oxide (ZnO)

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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