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Title | Free Reducing Agent, One Pot, and Two Steps Synthesis of Ag@SiO[2] Core-shells using Microwave Irradiation |
Authors |
Karimipour, M.
Mostoufirad, S. Molaei, M. Rezvani Nikabadi, H. Ghasempour Nesheli, A. |
ORCID | |
Keywords |
Ag@SiO[2] microwave APTS polyvinylpyrrolidone plasmon |
Type | Article |
Date of Issue | 2016 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/47366 |
Publisher | Sumy State University |
License | |
Citation | Free Reducing Agent, One Pot, and Two Steps Synthesis of Ag@SiO[2] Core-shells using Microwave Irradiation [Текст] / M. Karimipour, S. Mostoufirad, M. Molaei [та ін.] // Журнал нано- та електронної фізики. - 2016. - Т.8, №3. - 03020 |
Abstract |
In this work a new method for the fabrication of Ag@SiO[2] nanoparticles have been proposed that is completely different from Stober method. Ag nanoparticles were synthesized using microwave irradiation. polyvinylpyrrolidone was used as stabilizer and capping agent, 3-Aminopropyltriethoxysilane as functionalizer of silver particles in fully ethanol solution. The Ag nanoparticles were used subsequently without
any subtraction and treatment in the preparation of Ag@SiO[2] core-shell nanoparticles. UV-Vis spectroscopy shows a characteristic plasmon peak at 400 nm and 430 nm for Ag nanoparticles and Ag@SiO[2] coreshells. Transmission electron microscope images show that Ag nanoparticles have the average size of 10
nm. It is also depicted that SiO[2] shell structure was formed uniformly with the average size of 10 nm. The application of 3-Aminopropyltriethoxysilane in the preparation of core-shells yields single Ag core structure. |
Appears in Collections: |
Журнал нано- та електронної фізики (Journal of nano- and electronic physics) |
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Karimipour_ microwave.pdf | 290,3 kB | Adobe PDF | 507221545 |
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