Influence of hydrothermal synthesis conditions on microstructure characteristics of copper nanowires
- Authors: Simonenko N.P.1, Simonenko T.L.1, Topalova Y.R.1, Gorobtsov P.Y.1, Arsenov P.V.2, Simonenko E.P.1
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Affiliations:
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
- Moscow Institute of Physics and Technology (National Research University)
- Issue: Vol 70, No 7 (2025)
- Pages: 876-886
- Section: СИНТЕЗ И СВОЙСТВА НЕОРГАНИЧЕСКИХ СОЕДИНЕНИЙ
- URL: https://journals.eco-vector.com/0044-457X/article/view/689481
- DOI: https://doi.org/10.31857/S0044457X25070049
- EDN: https://elibrary.ru/JODICQ
- ID: 689481
Cite item
Abstract
The dependence of the microstructural properties of copper nanowires on temperature (110, 120 and 130°C) and time (4 and 8 h) has been studied for the hydrothermal synthesis of copper nanowires using oleylamine and dextrose. The change in diameter of the Cu nanowires formed was monitored by spectrophotometry in the visible range. X-ray diffraction analysis was used to confirm the target crystal structure and the absence of copper oxide impurities, as well as to show the nonlinear dependence of the average size of the coherent scattering region on the temperature and duration of the synthesis process. The scanning electron microscopy results showed that, in general, increasing the temperature and duration of the synthesis process leads to an increase in the length of the formed copper nanowires from 45 to 150 μm, i.e. under certain conditions, ultra-long structures are obtained. As a result, the aspect ratio varies from 782 to 2358 by altering the synthesis conditions. Transmission electron microscopy shows that the sample obtained at 110°C (4 h) differs from the others by the presence of particles up to 10 nm in size on the surface of the nanowires. The microstructural parameters of the obtained materials were also studied by atomic force microscopy, and the values of the electronic work function of the individual copper nanowire surface in ambient atmosphere were determined by Kelvin probe force microscopy.
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About the authors
N. P. Simonenko
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Author for correspondence.
Email: n_simonenko@mail.ru
Russian Federation, Moscow, 119991
T. L. Simonenko
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: n_simonenko@mail.ru
Russian Federation, Moscow, 119991
Ya. R. Topalova
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: n_simonenko@mail.ru
Russian Federation, Moscow, 119991
Ph. Yu. Gorobtsov
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: n_simonenko@mail.ru
Russian Federation, Moscow, 119991
P. V. Arsenov
Moscow Institute of Physics and Technology (National Research University)
Email: n_simonenko@mail.ru
Russian Federation, Dolgoprudny, Moscow Region, 141701
E. P. Simonenko
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: n_simonenko@mail.ru
Russian Federation, Moscow, 119991
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