On coagulation of polydisperse metal nanocolloids and conditions for applicability of the Muller-Smoluchowski theory

Описание

Тип публикации: статья из журнала

Год издания: 2012

Идентификатор DOI: 10.1134/S1061933X12030040

Ключевые слова: Brownian Dynamics, Coagulation kinetics, Nano-colloids, Numerical calculation, Polydisperses, Viscosity of dispersions, Brownian movement, Coagulation

Аннотация: The regularities of the coagulation of metal nanocolloids with different degrees of polydispersity are studied by the Brownian dynamics method. The results of the numerical calculations of coagulation kinetics are compared with the conclusions of the Muller-Smoluchowski theory. It is revealed that these data deviate from the predicПоказать полностьюtions of the theory upon a decrease in the viscosity of dispersion medium, an increase in the thickness of layers adsorbed on particles, and the combination of these factors. It is demonstrated that no acceleration of the colloid coagulation with a rise in the degree of polydispersity, which is predicted by the theory, takes place under these conditions.

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Издание

Журнал: COLLOID JOURNAL

Выпуск журнала: Vol. 74, Is. 3

Номера страниц: 295-304

ISSN журнала: 1061933X

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

Авторы

  • Karpov S.V. (Siberian Federal University)
  • Semina P.N. (Kirenskii Institute of Physics,Siberian Branch,Russian Academy of Sciences)

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