Assembling gold nanoparticles by dielectrophoresis with pit arrays on PMMA fabricated by proton beam writing

Taichi Shibuya; Satoshi Uchida; Yasuyuki Ishii; Hiroyuki Nishikawa

doi:10.1016/j.nimb.2019.06.050

Assembling gold nanoparticles by dielectrophoresis with pit arrays on PMMA fabricated by proton beam writing

Taichi Shibuya, Satoshi Uchida, Yasuyuki Ishii, Hiroyuki Nishikawa

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We performed dielectrophoresis (DEP) of Au colloidal particles using PMMA pit arrays fabricated by proton beam writing. Frequency dependence of DEP shows the collection of nanoparticles at pit arrays is most efficient at the AC voltage frequency of 1 kHz. The application of DC voltage during DEP also helps transport and supply of nanoparticles to the pit arrays. Gradual increase of the AC voltage amplitude should be taken into consideration to avoid damage effects on indium tin oxide electrode by joule heating.

Original language	English
Pages (from-to)	60-63
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	456
DOIs	https://doi.org/10.1016/j.nimb.2019.06.050
Publication status	Published - 2019 Oct 1

Keywords

Dielectrophoresis
Indium tin oxide
Nanoparticles
Proton beam writing

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2019.06.050

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Assembling gold nanoparticles by dielectrophoresis with pit arrays on PMMA fabricated by proton beam writing. / Shibuya, Taichi; Uchida, Satoshi; Ishii, Yasuyuki et al.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 456, 01.10.2019, p. 60-63.

Research output: Contribution to journal › Article › peer-review

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AU - Ishii, Yasuyuki

AU - Nishikawa, Hiroyuki

PY - 2019/10/1

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AB - We performed dielectrophoresis (DEP) of Au colloidal particles using PMMA pit arrays fabricated by proton beam writing. Frequency dependence of DEP shows the collection of nanoparticles at pit arrays is most efficient at the AC voltage frequency of 1 kHz. The application of DC voltage during DEP also helps transport and supply of nanoparticles to the pit arrays. Gradual increase of the AC voltage amplitude should be taken into consideration to avoid damage effects on indium tin oxide electrode by joule heating.

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KW - Proton beam writing

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Assembling gold nanoparticles by dielectrophoresis with pit arrays on PMMA fabricated by proton beam writing

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