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LOW TEMPERATURE SYNTHESIS OF SILVER NANOPARTICLES

1 KVÍTEK Libor
Co-authors:
1 BÁRTOVÁ Adéla 1 PRUCEK Robert 1 PANÁČEK Aleš 1 SOUKUPOVÁ Jana 1 Radek ZBOŘIL
Institution:
1 Palacký University in Olomouc, RCPTM, Olomouc, Czech Republic, EU, libor.kvitek@upol.cz
Conference:
10th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 17th - 19th 2018
Proceedings:
Proceedings 10th International Conference on Nanomaterials - Research & Application
Pages:
603-608
ISBN:
978-80-87294-89-5
ISSN:
2694-930X
Published:
28th February 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
395 views / 164 downloads
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Abstract

The influence of lower temperature on size and polydispersity of silver nanoparticles prepared by reduction of the silver(I) diamine complex cation by sodium borohydride was studied. The preparation was carried out in ethylene glycol and ethanol in the presence of stabilizing agents. Silver nanoparticles were characterized by UV-Vis spectroscopy, dynamic light scattering (DLS) and transmission electron microscopy (TEM). The best results were achieved in ethanol. The smallest nanoparticles were prepared at the reaction temperature of -5 °C (3,4±1,7 nm). With decreasing temperature, the average size of silver nanoparticles increased up to 7,2±2,9 nm (-25 °C).

Keywords: silver, nanoparticles, low temperature, preparation

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