Colloids and Surfaces A 538 (2018) 417–422 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa Research paper A.V. Voitylov, O.S. Veso, M.P. Petrov , V.I. Rolich, A.A. Trusov, V.V. Vojtylov Faculty of Physics, St. Petersburg State University, Ulyanovskaya, 3, Stary Peterhof, St. Petersburg, 198504, Russia GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this paper the results of research of the inﬂuence of particle size and material in aqueous suspensions of Refractive index diamond particles which included both diamond and graphite on suspension refractive index are presented. Turbidity Eight fractions of nanodiamond were isolated using particle sedimentation and dilute suspensions were char- Suspensions acterized using dynamic light scattering (DLS) method and electro-optical method. The increment of suspension Detonation diamond refractive index was determined using diﬀraction, refraction, and reﬂection. Theoretical calculations of the Electro-optical eﬀect dependence of refractive index increment of suspensions on the radius of diamond and graphite particles of Static light scattering spherical shape were carried out. The applicability of this approximation was supported by static light scattering Dynamic light scattering experimental data. By comparing theoretical and experimental values of the increment of the refractive index it was possible to conclude that
Colloids and Surfaces A: Physicochemical and Engineering Aspects – Elsevier
Published: Feb 5, 2018
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