Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol

Within the framework of this work, the results are presented of a study of the effect of the concentrations of the stabilizer and precursor on the synthesis of silver nanoparticles. Silver nitrate was used as a precursor, and polyethylene glycol with a molecular weight from 200 to 600 Da was used as...

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Huvudupphovsmän:	Blinov, A. V., Блинов, А. В., Gvozdenko, A. A., Гвозденко, А. А., Blinova, A. A., Блинова, А. А., Kobina, A. V., Кобина, А. В., Golik, A. B., Голик, А. Б., Maglakelidze, D. G., Маглакелидзе, Д. Г., Vishnitskaya, O. K., Вишницкая, О. К.
Materialtyp:	Статья
Språk:	Russian
Publicerad:	TVER STATE UNIV 2022
Ämnen:	Silver nanoparticles Computer quantum chemical modeling Photon correlation spectroscopy Plasmon resonance Spectrophotometry Precursor Stabilizer Polyethylene glycol
Länkar:	https://dspace.ncfu.ru/handle/20.500.12258/19150
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spelling	ir-20.500.12258-191502022-03-01T07:38:22Z Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol Blinov, A. V. Блинов, А. В. Gvozdenko, A. A. Гвозденко, А. А. Blinova, A. A. Блинова, А. А. Kobina, A. V. Кобина, А. В. Golik, A. B. Голик, А. Б. Maglakelidze, D. G. Маглакелидзе, Д. Г. Vishnitskaya, O. K. Вишницкая, О. К. Silver nanoparticles Computer quantum chemical modeling Photon correlation spectroscopy Plasmon resonance Spectrophotometry Precursor Stabilizer Polyethylene glycol Within the framework of this work, the results are presented of a study of the effect of the concentrations of the stabilizer and precursor on the synthesis of silver nanoparticles. Silver nitrate was used as a precursor, and polyethylene glycol with a molecular weight from 200 to 600 Da was used as a stabilizer. The synthesis was carried out by the method of chemical reduction in an aqueous medium. The obtained samples were investigated by photon correlation spectroscopy and spectrophotometry. The presence of a characteristic absorption band at 400 nm in the absorption spectra of all samples of nanosized silver stabilized with polyethylene glycol was established, which is due to the appearance of surface plasmon resonance in metallic silver nanoparticles. It was also found that at the highest and lowest concentration of the stabilizer, equal, respectively, 0, 005 and 0,1 mass. %, the formation of large silver particles with an average hydrodynamic radius from 132 to 1900 nm is observed in the reaction system. As a result, the optimal parameters for the synthesis of aggregatively stable silver nanoparticles were determined: the concentration of silver nitrate C-M (AgNO3)=0,05 M and the concentration of polyethylene glycol equal to 0,01-0,05 %. Computer quantum-chemical modeling is carried out. It is found that the interaction of the silver atom with the terminal hydroxogroup in the polyethylene glycol molecule in the elementary act of interaction during the stabilization of silver nanoparticles by this polymer is energetically advantageous. This type of interaction is characterized by an absolute chemical hardness equal to eta=0,146, and an internal energy of E = -2048,34 kcal/mol. 2022-03-01T07:36:42Z 2022-03-01T07:36:42Z 2021 Статья Blinov, A. V., Gvozdenko, A. A., Blinova, A. A., Kobina, A. V., Golik, A. B., Maglakelidze D. G., Vishnitskaya, O. K. Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol // PHYSICAL AND CHEMICAL ASPECTS OF THE STUDY OF CLUSTERS NANOSTRUCTURES AND NANOMATERIALS. - 2021. - Issue 13. - Page 32-43. - DOI10.26456/pcascnn/2021.13.032 http://hdl.handle.net/20.500.12258/19150 ru PHYSICAL AND CHEMICAL ASPECTS OF THE STUDY OF CLUSTERS NANOSTRUCTURES AND NANOMATERIALS application/pdf TVER STATE UNIV
institution	СКФУ
collection	Репозиторий
language	Russian
topic	Silver nanoparticles Computer quantum chemical modeling Photon correlation spectroscopy Plasmon resonance Spectrophotometry Precursor Stabilizer Polyethylene glycol
spellingShingle	Silver nanoparticles Computer quantum chemical modeling Photon correlation spectroscopy Plasmon resonance Spectrophotometry Precursor Stabilizer Polyethylene glycol Blinov, A. V. Блинов, А. В. Gvozdenko, A. A. Гвозденко, А. А. Blinova, A. A. Блинова, А. А. Kobina, A. V. Кобина, А. В. Golik, A. B. Голик, А. Б. Maglakelidze, D. G. Маглакелидзе, Д. Г. Vishnitskaya, O. K. Вишницкая, О. К. Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
description	Within the framework of this work, the results are presented of a study of the effect of the concentrations of the stabilizer and precursor on the synthesis of silver nanoparticles. Silver nitrate was used as a precursor, and polyethylene glycol with a molecular weight from 200 to 600 Da was used as a stabilizer. The synthesis was carried out by the method of chemical reduction in an aqueous medium. The obtained samples were investigated by photon correlation spectroscopy and spectrophotometry. The presence of a characteristic absorption band at 400 nm in the absorption spectra of all samples of nanosized silver stabilized with polyethylene glycol was established, which is due to the appearance of surface plasmon resonance in metallic silver nanoparticles. It was also found that at the highest and lowest concentration of the stabilizer, equal, respectively, 0, 005 and 0,1 mass. %, the formation of large silver particles with an average hydrodynamic radius from 132 to 1900 nm is observed in the reaction system. As a result, the optimal parameters for the synthesis of aggregatively stable silver nanoparticles were determined: the concentration of silver nitrate C-M (AgNO3)=0,05 M and the concentration of polyethylene glycol equal to 0,01-0,05 %. Computer quantum-chemical modeling is carried out. It is found that the interaction of the silver atom with the terminal hydroxogroup in the polyethylene glycol molecule in the elementary act of interaction during the stabilization of silver nanoparticles by this polymer is energetically advantageous. This type of interaction is characterized by an absolute chemical hardness equal to eta=0,146, and an internal energy of E = -2048,34 kcal/mol.
format	Статья
author	Blinov, A. V. Блинов, А. В. Gvozdenko, A. A. Гвозденко, А. А. Blinova, A. A. Блинова, А. А. Kobina, A. V. Кобина, А. В. Golik, A. B. Голик, А. Б. Maglakelidze, D. G. Маглакелидзе, Д. Г. Vishnitskaya, O. K. Вишницкая, О. К.
author_facet	Blinov, A. V. Блинов, А. В. Gvozdenko, A. A. Гвозденко, А. А. Blinova, A. A. Блинова, А. А. Kobina, A. V. Кобина, А. В. Golik, A. B. Голик, А. Б. Maglakelidze, D. G. Маглакелидзе, Д. Г. Vishnitskaya, O. K. Вишницкая, О. К.
author_sort	Blinov, A. V.
title	Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
title_short	Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
title_full	Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
title_fullStr	Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
title_full_unstemmed	Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
title_sort	determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol
publisher	TVER STATE UNIV
publishDate	2022
url	https://dspace.ncfu.ru/handle/20.500.12258/19150
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Determination of optimal parameters for synthesis of silver nanoparticles stabilized with polyethylene glycol

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