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Growth and Optical Properties of Room-Temperature Electrosynthesized ZnO Film with Highly 001 Orientation

YongFeng Mei ,  G. G. Siu 

City university of Hong Kong (CityU), Tat Chee Avenue, Kowloon, Hong Kong, Hong Kong


ZnO thin film with high 001 orientation was electrosynthesised on ITO-coated glass substrate at room temperature under pulsed voltage. Photoluminescence (PL) shows two obvious peaks: violet band and strong green band. The former is due to the free-excitonic transition and the latter is believed to arise from the single ionized oxygen vacancy (Vo+). Raman scattering reveals that the 580 cm-1 mode and the shoulder peak mode at 550 cm-1 originate from the N-related local vibration mode (LVM) and E1 (LO) mode, respectively.


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Presentation: poster at E-MRS Fall Meeting 2004, Symposium F, by YongFeng Mei
See On-line Journal of E-MRS Fall Meeting 2004

Submitted: 2004-07-14 17:23
Revised:   2009-06-08 12:55