Luminescence tuning and enhanced nonlinear optical properties of nanocomposites of ZnO–TiO2

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Luminescence tuning and enhanced nonlinear optical properties of nanocomposites of ZnO–TiO2

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dc.contributor.author V P N Nampoori
dc.contributor.author Litty, Irimpan
dc.contributor.author Bindu, Krishnan
dc.contributor.author Radhakrishnan, P
dc.date.accessioned 2010-07-09T06:24:52Z
dc.date.available 2010-07-09T06:24:52Z
dc.date.issued 2008-04-29
dc.identifier.citation Science Direct, Cochin University of Science and Technology en_US
dc.identifier.other Journal of Colloid and Interface Science 324 (2008) 99–104
dc.identifier.other www.elsevier.com/locate/cis
dc.identifier.other DOI: 10.1016/jjcis.2008.04.056
dc.identifier.uri http://dyuthi.cusat.ac.in/purl/1757
dc.description.abstract In this article we present the spectral and nonlinear optical properties of ZnO–TiO2 nanocomposites prepared by colloidal chemical synthesis. Emission peaks of ZnO–TiO2 nanocomposites change from 340 nm to 385 nm almost in proportion to changes in Eg. The nanocomposites show self-defocusing nonlinearity and good nonlinear absorption behaviour. The nonlinear refractive index and the nonlinear absorption increase with increasing TiO2 volume fraction at 532 nm and can be attributed to the enhancement of exciton oscillator strength. ZnO–TiO2 is a potential nanocomposite material for the tunable light emission and for the development of nonlinear optical devices with a relatively small limiting threshold en_US
dc.language.iso en en_US
dc.publisher Elsevier Journal of Colloid and Interface Science en_US
dc.subject Nanocomposites en_US
dc.subject Fluorescence emission en_US
dc.subject Nonlinear absorption coefficient en_US
dc.subject Two photon absorption and nonlinear en_US
dc.subject refractive index en_US
dc.title Luminescence tuning and enhanced nonlinear optical properties of nanocomposites of ZnO–TiO2 en_US
dc.type Working Paper en_US


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