Nanocrystalline ZnO films prepared by pyrolysis of Zn-arachidate LB multilayers

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Nanocrystalline ZnO films prepared by pyrolysis of Zn-arachidate LB multilayers

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dc.contributor.author PARHIZKAR, M en_US
dc.contributor.author NIGVENDRA KUMAR en_US
dc.contributor.author NAYAK, PK en_US
dc.contributor.author SINGH, SUKHVINDER en_US
dc.contributor.author TALWAR, SS en_US
dc.contributor.author MAJOR, SS en_US
dc.contributor.author SRINIVASA, RS en_US
dc.date.accessioned 2009-03-23T05:11:56Z en_US
dc.date.accessioned 2011-11-25T20:04:55Z en_US
dc.date.accessioned 2011-12-26T13:07:49Z en_US
dc.date.accessioned 2011-12-27T05:55:46Z
dc.date.available 2009-03-23T05:11:56Z en_US
dc.date.available 2011-11-25T20:04:55Z en_US
dc.date.available 2011-12-26T13:07:49Z en_US
dc.date.available 2011-12-27T05:55:46Z
dc.date.issued 2005 en_US
dc.identifier.citation Colloids and Surfaces A: Physicochemical and Engineering Aspects 257-258, 445-449 en_US
dc.identifier.issn 0927-7757 en_US
dc.identifier.uri http://dx.doi.org/10.1016/j.colsurfa.2004.10.040 en_US
dc.identifier.uri http://hdl.handle.net/10054/1057 en_US
dc.identifier.uri http://dspace.library.iitb.ac.in/xmlui/handle/10054/1057 en_US
dc.description.abstract Nanocrystalline, zinc oxide films have been formed by the pyrolysis of zinc arachidate LB multilayers in oxygen ambient. FT-IR and UV–vis spectroscopy showed that on heat treatment, the pyrolysis began at ~200 °C and was complete at ~350 °C. TEM studies showed that the heat treatment results in the formation of a continuous and uniform ZnO film consisting of nanocrystallites of size 5 ± 2 nm. Electron diffraction studies show that the film consists of an unusual phase reported as “leafy and thin platy crystal”, obtained under high-pressure conditions. The band gap of the film, estimated from a plot of α versus hν was found to be ~3.3 eV. It is interesting to note that the presence of the unusual phase and nanocrystalline nature do not have a significant effect on the optical gap of the ZnO film. en_US
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject langmuir blodgett films en_US
dc.subject electron diffraction en_US
dc.subject heat treatment en_US
dc.subject multilayers en_US
dc.title Nanocrystalline ZnO films prepared by pyrolysis of Zn-arachidate LB multilayers en_US
dc.type Article en_US
dc.description.copyright © Elsevier en_US


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