Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Cryometry and excess thermodynamic functions in water soluble of the fullerenol C60(OH)24. / Charykov, Nikolai A.; Semenov, K. N.; Keskinov, Victor A.; Kulenova, N. A.; Shaimardanov, Z. K.; Shaimardanova, B. K.; Gerasimova, L. V.; Kanbar, Ayat; Letenko, D. G.
в: Nanosystems: Physics, Chemistry, Mathematics, Том 11, № 2, 2020, стр. 205-213.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Cryometry and excess thermodynamic functions in water soluble of the fullerenol C60(OH)24
AU - Charykov, Nikolai A.
AU - Semenov, K. N.
AU - Keskinov, Victor A.
AU - Kulenova, N. A.
AU - Shaimardanov, Z. K.
AU - Shaimardanova, B. K.
AU - Gerasimova, L. V.
AU - Kanbar, Ayat
AU - Letenko, D. G.
N1 - Publisher Copyright: © 2020, ITMO University. All rights reserved. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2020
Y1 - 2020
N2 - The temperature of water-ice crystallization initiation decreases (T) were determined in the binary water solutions of water soluble fullerenol: C60(OH)24 - H2O at 272.85-273.15 K. Solution concentrations (in molar fractions) vary over a wide range xnano-cluster = 5:0 10-6 ÷ 1:6 10-4 a.un. Liquidus temperatures were determined with the help of Beckman thermometer with a linear resolution of the device scale K/mm (h - height of Hg capillary raising). For the thermodynamic description of the discussed systems, we have elaborated an original semi-empirical model, the virial decomposition asymmetric model (VD-AS), with assistance from partial molar functions of nano-clusters (activities and activity coefficients) were calculated. The Gibbs energies for the solutions and miscibility gap concentration regions were calculated. VD-AS model excellently describes pre-delamination or micro-heterogeneous-structure formation in the considered solutions. These calculations are confirmed by the dynamic light scattering data.
AB - The temperature of water-ice crystallization initiation decreases (T) were determined in the binary water solutions of water soluble fullerenol: C60(OH)24 - H2O at 272.85-273.15 K. Solution concentrations (in molar fractions) vary over a wide range xnano-cluster = 5:0 10-6 ÷ 1:6 10-4 a.un. Liquidus temperatures were determined with the help of Beckman thermometer with a linear resolution of the device scale K/mm (h - height of Hg capillary raising). For the thermodynamic description of the discussed systems, we have elaborated an original semi-empirical model, the virial decomposition asymmetric model (VD-AS), with assistance from partial molar functions of nano-clusters (activities and activity coefficients) were calculated. The Gibbs energies for the solutions and miscibility gap concentration regions were calculated. VD-AS model excellently describes pre-delamination or micro-heterogeneous-structure formation in the considered solutions. These calculations are confirmed by the dynamic light scattering data.
KW - Cryometry
KW - Delamination.
KW - Excess functions
KW - Fullerenol C(OH)
KW - Water solutions
UR - http://www.scopus.com/inward/record.url?scp=85101334680&partnerID=8YFLogxK
U2 - 10.17586/2220-8054-2020-11-2-205-213
DO - 10.17586/2220-8054-2020-11-2-205-213
M3 - Article
AN - SCOPUS:85101334680
VL - 11
SP - 205
EP - 213
JO - Nanosystems: Physics, Chemistry, Mathematics
JF - Nanosystems: Physics, Chemistry, Mathematics
SN - 2220-8054
IS - 2
ER -
ID: 77056523