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Nanoscience and Technology: An International Journal
ESCI SJR: 1.031 SNIP: 1.517 CiteScore™: 0.7

ISSN 印刷: 2572-4258
ISSN オンライン: 2572-4266

Nanoscience and Technology: An International Journal

Formerly Known as Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanoSciTechnolIntJ.2018028801
pages 21-27

THERMODYNAMIC ANALYSIS OF THE STABILITY OF NANOBUBBLES IN WATER

Semen I. Koshoridze
Institute of Applied Mechanics, Russian Academy of Sciences (IAM RAS), 7/1 Leningradsky Ave., Moscow, 125040, Russia
Yu. K. Levin
Institute of Applied Mechanics of Russian Academy of Sciences, 7 Leningradsky Ave., Moscow, 125040, Russia

要約

Taking into account the influence of the chemical potential of the components in the gas phase and water, the characteristic parameters of stable nanoscale bubbles (charge, pressure, density of adsorbed ions) in an aqueous medium are determined. It is shown that on reduction of a charge of a nanobubble the radius of its steady state decreases. The adsorbed ions occupy 0.1% of the surface area of a nanobubble with a radius of 100 nm. The main contribution to the pressure gives water vapor. The total pressure of nitrogen and water vapor in it does not exceed a fraction of a percent at 1 atm.

参考

  1. Bunkin, N.F. and Bunkin, F.V., Bubston Structure of Water and Electrolyte Aqueous Solutions, Phys. Usp., vol. 59, no. 9, pp. 846-865, 2016.

  2. Chaplin, M., Water Structure and Science, accessed from www.lsbu.ac.uk/water/water_structure_sci- ence.html, 2018.

  3. Haynes, W.M. Ed., CRC Handbook of Chemistry and Physics, 97th Ed., Boca Raton: CRC Press, 2017.

  4. Kaptay, G., A New Paradigm on the Chemical Potentials of Components in Multi-Component Nano-Phases within Multi-Phase Systems, Roy. Soc. Chem., vol. 7, pp. 4124-41253, 2017. DOI: 10.1039/c7ra07911g.

  5. Koshoridze, S.I. and Levin, Yu.K., On the Dynamic Equilibrium of Nanobubbles in Water, Nanosci. Technol.: An Int. J, vol. 9, no. 1, pp. 1-8, 2018. D0I:10.1615/NanoSciTechnolIntJ.2018025819.

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