Surface properties of fullerenol C60(OH)20 solutions

被引：16
作者：
Akentiev, Alexander V. [1 ]
Gorniaia, Sofiia B. [1 ]
Isakov, Nikolaj A. [1 ]
Lebedev, Vasylij T. [2 ]
Milyaeva, Olga Yu. [1 ]
Sedov, Victor P. [2 ]
Semenov, Konstantin N. [3 ]
Timoshen, Kirill A. [1 ]
Noskov, Boris A. [1 ]
机构：
[1] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia
[2] NRC Kurchatov Inst, BP Konstantinov Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad, Russia
[3] Pavlov First St Petersburg State Med Univ, Lva Tolstogo Str 6-8, St Petersburg 197022, Russia
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2020年 / 306卷
关键词：
Fullerene derivatives; Dilational surface rheological properties; Surface structure; Adsorption kinetics; ADSORPTION; MEMBRANES; LAYERS; MORPHOLOGY; POLYMER;
D O I：
10.1016/j.molliq.2020.112904
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The surface properties of fullerenol C-60(OH)(20) solutions differ significantly from the properties of solutions of more hydrophilic fullerenols. At concentrations below 1 g/l, dynamic surface elasticity proves to be very high (up to 300 mN/m), while surface tension decreases only slightly. The adsorption layer is very sensitive to mechanical perturbations of the solution surface, and surface elasticity decreases under surface compression. The adsorption layer is macroscopically homogeneous but contains microscopic aggregates. The layer can be easily transferred from the liquid surface onto a solid support. (C) 2020 Elsevier B.V. All rights reserved.
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页数：7
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