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| Coulombic interaction in the colloidal oriented-attachment growth of tetragonal nanorods |
| Li Jun-Fana b, Wen Ke-Chuna b, He Wei-Donga, Wang Xiao-Ninga, Lü Wei-Qianga, Yan Peng-Feia, Song Yuan-Qianga, Lu Hong-Liangc, Lin Xiaoc, Dickerson J. H.d e |
a School of Energy Science and Engineering, University of Electronic Science and Technology, Chengdu 611731, China;
b School of Life Science and Technology, University of Electronic Science and Technology, Chengdu 611731, China;
c School of Physics, University of Chinese Academy of Sciences, Beijing 100049, China;
d Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, US;
e Department of Physics, Brown University, Providence, RI 02912, US |
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Abstract In this report, the analytical expression of Coulombic interaction between a spherical nanoparticle and a tetragonal nanorod is derived. To evaluate the Coulombic interaction in the oriented attachment growth of tetragonal nanorods, we analyze the correlation between the Coulombic interaction and the important growth parameters, including: nanoparticle-nanorod separation, aspect ratio of the nanorods, and surface charge density. Our work opens up the opportunity to investigate interparticle interactions in the oriented attachment growth of tetragonal nanorods.
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Received: 12 October 2013
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| PACS: |
61.46.Km
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(Structure of nanowires and nanorods (long, free or loosely attached, quantum wires and quantum rods, but not gate-isolated embedded quantum wires))
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81.16.-c
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(Methods of micro- and nanofabrication and processing)
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02.60.-x
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(Numerical approximation and analysis)
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| Fund:Project supported by the National Youth Natural Science Foundation, China (Grant No. 61106099).These authors contributed equally to this work. |
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Corresponding Authors: He Wei-Dong, Lin Xiao
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E-mail: weidong.he@uestc.edu.cn;xlin@ucas.ac.cn
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| About author:: 61.46.Km; 81.16.-c; 02.60.-x |
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2014, Vol. 23 
