Sputtered gold-coated ITO nanowires by alternating depositions from Indium and ITO targets for application in surface-enhanced Raman scattering
| Autor: | Priscila R. Pessoa, Ednan Joanni, Grazielle de Oliveira Setti, Dosil Pereira de Jesus, Ronei J. Poppi, Mónica B. Mamián-López |
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| Rok vydání: | 2015 |
| Předmět: |
inorganic chemicals
Materials science Nanowire General Physics and Astronomy chemistry.chemical_element Nanotechnology Surfaces and Interfaces General Chemistry Substrate (electronics) Condensed Matter Physics digestive system Surfaces Coatings and Films Indium tin oxide symbols.namesake chemistry Sputtering symbols Raman spectroscopy Layer (electronics) Raman scattering Indium |
| Zdroj: | Applied Surface Science. 347:17-22 |
| ISSN: | 0169-4332 |
| Popis: | Indium Tin oxide (ITO) nanowires were deposited by RF sputtering over oxidized silicon using ITO and Indium targets. The nanowires grew on the substrate with a catalyst layer of Indium by the vapor–liquid–solid (VLS) mechanism. Modifications in the deposition conditions affected the morphology and dimensions of the nanowires. The samples, after being covered with gold, were evaluated as surface-enhanced Raman scattering (SERS) substrates for detection of dye solutions and very good intensifications of the Raman signal were obtained. The SERS performance of the samples was also compared to that of a commercial SERS substrate and the results achieved were similar. To the best of our knowledge, this is the first time ITO nanowires were grown by the sputtering technique using oxide and metal targets. |
| Databáze: | OpenAIRE |
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