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CLC number: O646

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 2010-12-10

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.5 P.368-373

http://doi.org/10.1631/jzus.A1000231


High-efficiency technique based on dielectrophoresis for assembling metal, semiconductor, and polymer nanorods


Author(s):  Heng Yuan, Kyu-jin Kim, Won-seok Kang, Byoung-ho Kang, Se-hyuk Yeom, Jae-ho Kim, Shin-won Kang

Affiliation(s):  School of Electrical Engineering and Computer Science, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, Daegu 702-701, Korea; more

Corresponding email(s):   swkang@knu.ac.kr

Key Words:  Nanorod, Assembly, Dielectrophoresis (DEP), Finite element method (FEM), Electrochemical deposition (ECD) method



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.

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