NDLI: Microstructural and optical properties of ZnO/V composites

Content Provider	IEEE Xplore Digital Library
Author	Mukhtar, S. Wei Gao Chongwen Zou
Copyright Year	2011
Description	Author affiliation: Department of Chemical and Materials Engineering, The University of Auckland, PB 92019, 1142, New Zealand (Mukhtar, S.; Wei Gao; Chongwen Zou)
Abstract	ZnO/V mixed and bilayer composites on glass substrate were deposited by magnetron sputtering at room temperature. Mixed composites were prepared by dual target magnetron sputtering from both ZnO and V targets whereas bilayer composites were obtained by deposition of V bottom layer capped by ZnO thin layer. Post annealing treatment in oxygen ambience at different temperatures was conducted. Variation in microstructural and optical properties with the annealing temperature was investigated by scanning electron microscope (SEM), X-ray diffractrometer (XRD) and photoluminescence (PL) at room temperature. The results indicated that heat treatment in oxygen ambience provided more reaction points between ZnO and V for mixed composite whereas bilayer composite had a limited interaction at the interface of ZnO and V2Os layers. Presence of zinc oxide vanadates (α-Zn) after heat treatment revealed the temperature sensitive interaction between ZnO and V. Dramatically enhanced visible light emission was observed from the annealed samples which is attributed to the presence of α-Zn (VO. The enhancement in light emission from composite ZnO/V could act as the promising application for future optoelectronic devices.
Starting Page	191
Ending Page	195
File Size	1312451
Page Count	5
File Format	PDF
ISBN	9781457706547
e-ISBN	9781457706578
DOI	10.1109/INMIC.2011.6151470
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-12-22
Publisher Place	Pakistan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Annealing Zinc oxide Magnetic resonance imaging Atmospheric measurements Atmospheric waves Magnetic force microscopy photoluminescence Composite materials thin films heat treatment
Content Type	Text
Resource Type	Article

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