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http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/1591| Title: | Catalyst freesingle-stepfabricationofSnO2/ZnO core–shell nanostructures |
| Authors: | Thanihaichelvan, T. Haseeb, A.S.M.A. Akbar, S.A. Sabri, M.F.M. |
| Keywords: | Electronmicroscopy;Hierarchicalnanostructures |
| Issue Date: | 2013 |
| Publisher: | Elsevier |
| Citation: | Tharsika, T., Haseeb, A. S. M. A., Akbar, S. A., & Sabri, M. F. M. (2014). Catalyst free single-step fabrication of SnO2/ZnO core–shell nanostructures. Ceramics International, 40(5), 7601-7605. |
| Abstract: | Facile catalyst-freesynthesisofSnO2/ZnO core–shell nanowiresandhierarchicalnanostructuresgrownviaaone-stepcarbonassistedthermal evaporation methodunderambientpressureisreported.Awhitewool-likemassformsatthesideandontopofaquartzboatduringtheprocess that wasanalyzedby field emissionscanningelectronmicroscopy(FESEM).X-raydiffractionpatternsexhibitthattheas-synthesizedSnO2/ZnO nanostructures consistofsinglephaseofZnOandSnO2. Transmissionelectronmicroscopy(TEM)suggeststhatthewool-likemasscontains core–shell typeSnO2/ZnO nanowiresaswellashierarchicalnanostructures.Inthecore–shell nanowires,SnO2 forms thecore,whileZnOisthe shell. Inthehierarchicalnanostructures,hexagonalshapedZnObranchesgrowontheZnOshelllayeratlonggrowthduration.Bothtypesof nanostructures formedinthequartzboataresuggestedtogrowbythevapor–solid (VS)mechanism.Structuralcharacteristicsofthe nanostructures arediscussed.Thesenanostructuresmayhavepotentialapplicationsinchemicalgassensorsandphotovoltaicdevices. |
| URI: | http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/1591 |
| Appears in Collections: | Interdisciplinary Studies |
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| Catalyst_free_single_step_fabrication_2014 - 2.pdf | 163.83 kB | Adobe PDF |  View/Open |
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