Optical Behaviour of ZnO/Au Nanojunctions
| Authors | Shital V. Kahane, Darshana Y. Inamdar, Shailaja Mahamuni |
| Affiliations | Department of Physics, University of Pune, Ganeshkhind, 411007, Pune, India |
| Е-mail | shailajamahamuni@yahoo.co.in |
| Issue | Volume 3, Year 2011, Number 1, Part 3 |
| Dates | Received 04 February 2011, in final form 18 June 2011, published online 23 June |
| Citation | Shital V. Kahane, Darshana Y. Inamdar, Shailaja Mahamuni, J. Nano- Electron. Phys. 3 No1, 563 (2011) |
| DOI | |
| PACS Number(s) | 79.60.Jv, 78.55.Et |
| Keywords | II-VI semiconductor (5) , Nanojunctions, Charge transfer mechanism, Photoluminescence (17) , UV-vis absorption (2) . |
| Annotation |
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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List of References |
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