Journal
JOURNAL OF NANO- AND ELECTRONIC PHYSICS
Volume 3, Issue 1, Pages 563-568Publisher
SUMY STATE UNIV, DEPT MARKETING & MIA
Keywords
II-VI SEMICONDUCTOR; NANOJUNCTIONS; CHARGE TRANSFER MECHANISM; PHOTOLUMINESCENCE; UV-VIS ABSORPTION
Categories
Funding
- University of Pune through CNQS grant
- CSIR
- DST nanounit
- University of Pune, through BCUD project
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ZnO/Au nanojunctions were prepared by electrochemical method at room temperature. Nanojunction formation is vivid from appearance of ZnO and Au features in x-ray diffraction pattern. Optical absorption spectra reveal excitonic as well as surface plasmon resonance (SPR) feature in case of nanojunctions. Bleaching of the excitonic feature associated with the blue shift, is a signature of charge transfer from Au to ZnO at the interface of nanojunction. An increase in intensity of band edge luminescence and quenching of green emission indicates the passivation of surface defects due to formation of nanojunctions.
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