Static, dynamic and electric light scattering by aqueous colloids of diamond

被引：9
作者：
Klemeshev, S. A. [1 ]
Petrov, M. P. [1 ]
Rolich, V. I. [1 ]
Trusov, A. A. [1 ]
Voitylov, A. V. [1 ]
Vojtylov, V. V. [1 ]
机构：
[1] St Petersburg State Univ, Univ Skaya Nab 7-9, St Petersburg 199034, Russia
来源：
DIAMOND AND RELATED MATERIALS | 2016年 / 69卷
关键词：
Nanoparticles; Diamond; Suspension; Optical properties; Light scattering; Polydispersity; DETONATION NANODIAMOND; POLARIZABILITY DISPERSION; ELECTROOPTICAL PROPERTIES; SURFACE CONDUCTIVITY; PARTICLES; SIZE; POLYDISPERSITY; NANOPARTICLES; COEFFICIENTS; SUSPENSIONS;
D O I：
10.1016/j.diamond.2016.08.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The study of light scattering of aqueous colloids of diamond with particle size 10-400 nm was conducted. Particle concentration in colloids was low, and light scattering could be considered single. Methods of static, dynamic, and electric light scattering were employed. During the static light scattering experiments we took into account particle distribution on size that was determined from electron microscope measurements. It was shown that the experimentally obtained indicatrix of light scattering of polydisperse non-spherical diamond particle solution is in good agreement with the theoretical one for spherical particles. Autocorrelation function of depolarized light scattering intensity coincides with the time dependence of relaxation of scattered light intensity alteration after the electric field which induced particle orientation is switched off. This allows to use dynamic light scattering technique during the study of electro-optical properties of polydisperse colloids of diamond. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：177 / 182
页数：6
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