Structural and Optical Properties of (Al, Co) Codoped-ZnO Thin Film

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Abstract:

Zn0.99-xCo0.01AlxO (x=0, 0.01,) thin films have been prepared by a sol-gel method. The structural and optical properties of the samples were investigated. X-ray diffraction and EDX spectrum indicate that Al3+ and Co2+ substitute for Zn2+ without changing the wurtzite structure. With the Al doping,the intensity ratio of the visible to UV emission increases, which is attributed to the increase of O vacancies and Zn interstitials .

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Advanced Materials Research (Volumes 941-944)

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1302-1305

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June 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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