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Applied Physics Letters / Volume 96 / Issue 9 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 96, 093106 (2010); http://dx.doi.org/10.1063/1.3298356 (3 pages)

Electron-induced adhesion and patterning of gold nanoparticles

I. Torchinsky1, N. Amdursky2, A. Inberg1, and G. Rosenman1

1Department of Electrical Engineering-Physical Electronics, School of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
2Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel

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(Received 12 October 2009; accepted 29 December 2009; published online 2 March 2010)

Self assembly of ligand-covered gold nanoparticles from water colloid solution on silicon dioxide substrate, modified, and patterned by low energy electron beam, has been observed. High selective adhesion of Au-nanoparticles on hydrophobic regions of wettability patterning was discovered and has been explained within the framework of the classical thermodynamic theory of particle adhesion on a substrate immersed into the colloid solution. The Au-nanoparticles patterns were imaged using confocal microscopy. Our results indicate that the developed technique may be considered as high resolution and environmentally clean technology for nanoparticles adhesion for metal nanoelectrode deposition, development of biosensor arrays, and nanophotonic devices.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

adhesion, electron beam effects, gold, nanoparticles, nanopatterning, self-assembly, wetting

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3298356

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    O. Salata, NanoBiotechnology 2, 3 (2004).

    D. Aronov, M. Molotskii, and G. Rosenman, Phys. Rev. B 76, 035437 (2007).

    H. Yan, S. Cingarapu, K. J. Klabunde, A. Chakrabarti, and C. M. Sorensen, Phys. Rev. Lett. 102, 095501 (2009).


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