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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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