Journal
OPTICS AND LASER TECHNOLOGY
Volume 58, Issue -, Pages 63-70Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2013.10.017
Keywords
ZnO; Micro-rods; Z-scan
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Funding
- IUCND
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ZnO micro-crystals had been successfully fabricated on a large scale under mild conditions without any additives, templates or substrates, exhibiting a hexagonal wurtzite structure and grown along the [001] direction. Effects of the reactant concentration and temperature on the sizes and morphologies of the ZnO products had been investigated. The optical absorptive nonlinearity of the ZnO/PVA composites was analyzed using an open aperture and a closed Z-scan technique shows a negative value for nonlinear refractive index n(2). Stability as well as the mechanical properties of the crystals embedded in the PVA matrix makes them more suitable for device fabrication as compared to the ZnO crystals dispersed in solution. (C) 2013 Elsevier Ltd. All rights reserved.
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