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author:

Li, M. (Li, M..) [1] | Fei, F. (Fei, F..) [2] | Qu, Y. (Qu, Y..) [3] | Dong, Z. (Dong, Z..) [4] | Li, W.J. (Li, W.J..) [5] | Wang, Y. (Wang, Y..) [6]

Indexed by:

Scopus

Abstract:

This paper analyzes the fundamental mechanisms in driving Au Pearl Chain Formation (PCF) based on dielectrophoresis (DEP) force. From experimental results, the PCF process strongly depends on the voltage and the frequency applied on electrodes, but weakly on the sizes of particles, which appears to be contrary to theoretical expectations. To explain the above phenomenon, we estimated the DEP force and the Brownian motion imposed on the Au nanoparticles, and then investigated the AC electro-osmosis force and the electro-thermal force which may possibly affect the PCF rate. Numerical modeling to compare the forces is presented. By matching experimental and numerical results, we validate the scaling laws of the DEP force and electro-mechanics in the PCF of Au nano-particles. © 2007 IEEE.

Keyword:

Dielectrophoresis; Gold nano-particles; Nano-assemby; Nano-manipulation; Pearl Chain Formation

Community:

  • [ 1 ] [Li, M.]Robotics Laboratory, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
  • [ 2 ] [Li, M.]College of Mechanical Engineering, Fuzhou University, Fujian, China
  • [ 3 ] [Li, M.]Graduate University, Chinese Academy of Sciences, Beijing, China
  • [ 4 ] [Li, M.]Shenyang Institute of Automation
  • [ 5 ] [Fei, F.]Robotics Laboratory, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
  • [ 6 ] [Fei, F.]Graduate University, Chinese Academy of Sciences, Beijing, China
  • [ 7 ] [Fei, F.]Shenyang Institute of Automation
  • [ 8 ] [Qu, Y.]Robotics Laboratory, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
  • [ 9 ] [Qu, Y.]Centre for Micro and Nano Systems, Chinese University of Hong Kong, Hong Kong, Hong Kong
  • [ 10 ] [Qu, Y.]Chinese University of Hong Kong
  • [ 11 ] [Qu, Y.]Shenyang Institute of Automation
  • [ 12 ] [Dong, Z.]Robotics Laboratory, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
  • [ 13 ] [Dong, Z.]Shenyang Institute of Automation
  • [ 14 ] [Li, W.J.]Robotics Laboratory, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
  • [ 15 ] [Li, W.J.]Centre for Micro and Nano Systems, Chinese University of Hong Kong, Hong Kong, Hong Kong
  • [ 16 ] [Li, W.J.]Chinese University of Hong Kong
  • [ 17 ] [Li, W.J.]Shenyang Institute of Automation
  • [ 18 ] [Wang, Y.]Robotics Laboratory, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
  • [ 19 ] [Wang, Y.]Shenyang Institute of Automation

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Source :

2007 7th IEEE International Conference on Nanotechnology - IEEE-NANO 2007, Proceedings

Year: 2007

Page: 1217-1221

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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