Issue 13, 2012
From the journal:

Physical Chemistry Chemical Physics

An analytical expression for the van der Waals interaction in oriented-attachment growth: a spherical nanoparticle and a growing cylindrical nanorod†

Weidong He,ab   Junhao Lin,bc   Bin Wang,c   Shengquan Tuo,c   Sokrates T. Pantelidesbc  and  James H. Dickerson*bc  

* Corresponding authors

a Vanderbilt Interdisciplinary Program in Materials Science, Vanderbilt University, Nashville, Tennessee 37234-0106, USA

b Vanderbilt Institute of Nanoscale Science and Engineering, Vanderbilt University, Nashville, Tennessee 37234-0106, USA
E-mail: james.h.dickerson@vanderbilt.edu

c Department of Physics and Astronomy, Vanderbilt University, Vanderbilt University, Nashville, Tennessee 37235-1807, USA

Abstract

A mathematical derivation of an analytical expression is presented to evaluate the van der Waals interaction between a sphere and a cylindrical rod. This expression then is applied to study the growth of one-dimensional nanostructures, such as nanorods, using a common growth mechanism in colloidal chemistry, the oriented attachment growth mechanism. Parameters associated with the dimensions and the separation of nanoparticles and nanorods are varied in calculations to assess their influence on the magnitude of the van der Waals interaction.

Graphical abstract: An analytical expression for the van der Waals interaction in oriented-attachment growth: a spherical nanoparticle and a growing cylindrical nanorod

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Article information

DOI
https://doi.org/10.1039/C2CP23919A
Article type
Paper
Submitted
07 Dec 2011
Accepted
09 Feb 2012
First published
13 Feb 2012

Phys. Chem. Chem. Phys., 2012,14, 4548-4553

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An analytical expression for the van der Waals interaction in oriented-attachment growth: a spherical nanoparticle and a growing cylindrical nanorod

W. He, J. Lin, B. Wang, S. Tuo, S. T. Pantelides and J. H. Dickerson, Phys. Chem. Chem. Phys., 2012, 14, 4548 DOI: 10.1039/C2CP23919A

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