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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2011, Vol. 12 Issue (5): 368-373    DOI: 10.1631/jzus.A1000231
Chemical & Environmental Engineering     
High-efficiency technique based on dielectrophoresis for assembling metal, semiconductor, and polymer nanorods
Heng Yuan, Kyu-jin Kim, Won-seok Kang, Byoung-ho Kang, Se-hyuk Yeom, Jae-ho Kim, Shin-won Kang
School of Electrical Engineering and Computer Science, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, Daegu 702-701, Korea; Department of Molecular Science and Technology, Ajou University, San 5, Woncheon-dong, Yeongtong-gu, Suwon 443-749, Korea; School of Electronic Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, Daegu 702-701, Korea
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Abstract  This paper presents a high-efficiency technique based on dielectrophoresis (DEP) for assembling metal, semiconductor, and polymer nanorods, which are synthesized by electrochemical deposition (ECD). The assembly patterns of these nanorods (width: 20 nm; length: 7 μm) were designed using a finite element method (FEM) simulation tool. Further, these nanorods were used in our experiment after their assembly patterns were fabricated. The assembly yield was found to be approximately 70% at an AC voltage of 30 Vp-p and at frequencies of 20 and 30 kHz, and the DC voltage prevented the random alignment of the nanorods at the edge of the assembly pattern. Moreover, the above-mentioned nanorods, which had different permittivities, were found to have similar assembly yields. The proposed method can be improved and applied to nanostructure device fabrication.

Key words： Nanorod      Assembly      Dielectrophoresis (DEP)      Finite element method (FEM)      Electrochemical deposition (ECD) method     
Received: 18 May 2010      Published: 09 May 2011
CLC:  O646  
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Heng Yuan
Won-seok Kang
Kyu-jin Kim
Byoung-ho Kang
Se-hyuk Yeom
Jae-ho Kim
Shin-won Kang
Cite this article:

Heng Yuan, Kyu-jin Kim, Won-seok Kang, Byoung-ho Kang, Se-hyuk Yeom, Jae-ho Kim, Shin-won Kang. High-efficiency technique based on dielectrophoresis for assembling metal, semiconductor, and polymer nanorods. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2011, 12(5): 368-373.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1000231     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2011/V12/I5/368

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