ESR Investigation of the Interaction of Copper Nanoparticles Precursors with Polyethylenimine
- Авторлар: Motyakin M.1,2, Ozerin A.3, Ionova I.1, Radchenko F.3, Novakov I.3
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Мекемелер:
- Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
- Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
- Volgograd State Technical University
- Шығарылым: Том 65, № 1 (2023)
- Беттер: 50-53
- Бөлім: ПОЛИЭЛЕКТРОЛИТЫ
- URL: https://journals.rcsi.science/2308-1120/article/view/135336
- DOI: https://doi.org/10.31857/S2308112023700372
- EDN: https://elibrary.ru/VAIZAH
- ID: 135336
Дәйексөз келтіру
Аннотация
The process of complex formation between polyethylenimine and copper cations in an aqueous solution, followed by isolation of copper nanoparticles, has been studied by means of ESR spectroscopy. It has been shown that in excess of the polymer in the solution the copper cation forms complex containing three nitrogen atoms in the coordination sphere, with distorted tetragonal geometry. The increase in copper concentration has led to the formation of the copper cation complex with water. Addition of the reducing agent NaBH4 to the studied solutions has led to the formation of copper nanoparticles accompanied by gradual disappearance of the ESR signal of Cu(II) and the appearance of the ESR signal typical of the mononuclear copper complexes with polyethylenimine.
Авторлар туралы
M. Motyakin
Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences; Emanuel Institute of Biochemical Physics, Russian Academy of Sciences
Email: asozerin@vstu.ru
119991, Moscow, Russia; 119334, Moscow, Russia
A. Ozerin
Volgograd State Technical University
Email: asozerin@vstu.ru
400005, Volgograd, Russia
I. Ionova
Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
Email: asozerin@vstu.ru
119991, Moscow, Russia
F. Radchenko
Volgograd State Technical University
Email: asozerin@vstu.ru
400005, Volgograd, Russia
I. Novakov
Volgograd State Technical University
Хат алмасуға жауапты Автор.
Email: asozerin@vstu.ru
400005, Volgograd, Russia
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