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Proceedings Paper

Quantum confinement effect on photoluminescence of nanocrystalline ZnO thin films
Author(s): Manju Arora; Santosh Singh; Sukhvir Singh
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Paper Abstract

Nanocrystalline ZnO thin films with different morphology were grown on silicon substrate by sol-gel process using different zinc acetate sol concentrations. These films were characterized by high resolution XRD, SEM, EDS, photoluminescence (PL) and UV-VIS spectroscopic techniques to reveal their structural, morphological and optical details. The blueshift in strong free excitons recombination peak is observed as the morphology of the film changes from spindle shape to nanorods to clustering of nanorods with increase in sol concentration due to quantum confinement effect in the nc-ZnO thin films.

Paper Details

Date Published: 15 October 2012
PDF: 5 pages
Proc. SPIE 8549, 16th International Workshop on Physics of Semiconductor Devices, 85492D (15 October 2012); doi: 10.1117/12.927415
Show Author Affiliations
Manju Arora, CSIR-National Physical Lab. (India)
Santosh Singh, CSIR-National Physical Lab. (India)
Sukhvir Singh, CSIR-National Physical Lab. (India)


Published in SPIE Proceedings Vol. 8549:
16th International Workshop on Physics of Semiconductor Devices
Monica Katiyar; B. Mazhari; Y N Mohapatra, Editor(s)

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