Structural and Optical Properties of Al Co-Doped ZnCoO Thin Film

Ping Cao; Yue Bai

doi:10.4028/www.scientific.net/AMR.989-994.656

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994Structural and Optical Properties of Al Co-Doped...

Structural and Optical Properties of Al Co-Doped ZnCoO Thin Film

Abstract:

Al co-doped ZnCoO thin film has been prepared by a sol-gel method. The structural and optical properties of the sample were investigated. X-ray diffraction and UV absorption spectroscopy analyses indicate that Al³⁺ and Co²⁺ substitute for Zn²⁺ without changing the wurtzite structure. With the Al doping, the visible emission increased and the UV emission decreased, which is attributed to the increase of O vacancies and Zn interstitials.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

656-659

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.656

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Online since:

July 2014

Authors:

Ping Cao*, Yue Bai

Keywords:

Co-Doping, Thin Film, ZnCoO

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