Spatially controlled assembly of nanomaterials at the nanoscale

Puru Parthasarathy; Paula M. Mendes; Schopf Eric; Jon A. Preece; J. Fraser Stoddart; Yong Chen

doi:10.1166/jnn.2009.J061

Spatially controlled assembly of nanomaterials at the nanoscale

Puru Parthasarathy^*, Paula M. Mendes, Schopf Eric, Jon A. Preece, J. Fraser Stoddart, Yong Chen

^*Corresponding author for this work

Chemistry

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

4 Scopus citations

Abstract

A molecular monolayer of 4-nitrothiophenol on gold electrodes is reduced electrochemically when its nitro groups are converted into amino groups by potentiometric scans. The protonated amine with its NH functions can be employed to induce the self-assembly of gold nanoparticles at the surface of the electrodes. The electrochemical reaction and the induced assembly process can be controlled at the nanoscale level on the electrodes with a high degree of selectivity. The technology opens up the possibility of fabricating complex multi-nanomaterial nanostructures on the basis of a two-step electrochemical assembly process.

Original language	English (US)
Pages (from-to)	650-654
Number of pages	5
Journal	Journal of Nanoscience and Nanotechnology
Volume	9
Issue number	1
DOIs	https://doi.org/10.1166/jnn.2009.J061
State	Published - Jan 1 2009

Keywords

Electrochemical modification
Lithography
Nanostructures
Self-Assembled monolayers
Self-assembly

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Biomedical Engineering
Materials Science(all)
Condensed Matter Physics

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10.1166/jnn.2009.J061

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abstract = "A molecular monolayer of 4-nitrothiophenol on gold electrodes is reduced electrochemically when its nitro groups are converted into amino groups by potentiometric scans. The protonated amine with its NH functions can be employed to induce the self-assembly of gold nanoparticles at the surface of the electrodes. The electrochemical reaction and the induced assembly process can be controlled at the nanoscale level on the electrodes with a high degree of selectivity. The technology opens up the possibility of fabricating complex multi-nanomaterial nanostructures on the basis of a two-step electrochemical assembly process.",

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AU - Parthasarathy, Puru

AU - Mendes, Paula M.

AU - Eric, Schopf

AU - Preece, Jon A.

AU - Stoddart, J. Fraser

AU - Chen, Yong

PY - 2009/1/1

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AB - A molecular monolayer of 4-nitrothiophenol on gold electrodes is reduced electrochemically when its nitro groups are converted into amino groups by potentiometric scans. The protonated amine with its NH functions can be employed to induce the self-assembly of gold nanoparticles at the surface of the electrodes. The electrochemical reaction and the induced assembly process can be controlled at the nanoscale level on the electrodes with a high degree of selectivity. The technology opens up the possibility of fabricating complex multi-nanomaterial nanostructures on the basis of a two-step electrochemical assembly process.

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KW - Lithography

KW - Nanostructures

KW - Self-Assembled monolayers

KW - Self-assembly

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Spatially controlled assembly of nanomaterials at the nanoscale

Abstract

Keywords

ASJC Scopus subject areas

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