Facile Fabrication of Spherical Nanoparticle-Tipped AFM Probes for Plasmonic Applications

Alan Sanders; Liwu Zhang; Richard W. Bowman; Lars O. Herrmann; Jeremy J. Baumberg

doi:10.1002/ppsc.201400104

Facile Fabrication of Spherical Nanoparticle-Tipped AFM Probes for Plasmonic Applications

Alan Sanders, Liwu Zhang, Richard W. Bowman, Lars O. Herrmann, Jeremy J. Baumberg

University of Cambridge

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

16 Citations (SciVal)

Abstract

A simple method for fabricating Au nanoparticles onto the apex of atomic force microscopy (AFM) tips is demonstrated. Apex-selected pulsed electrodeposition, controlled with voltage and pulse time, yields repeatable fabrication of spherical Au nanoparticle tips. Simultaneous fabrication of many tips is demonstrated, enabling high throughput. Surface-enhanced Raman scattering and dark-field spectroscopy are used to show improved plasmonic behavior compared with conventional Au AFM tips.

Original language	English
Pages (from-to)	182-187
Number of pages	6
Journal	Particle & Particle Systems Characterization
Volume	32
Issue number	2
Early online date	12 Aug 2014
DOIs	https://doi.org/10.1002/ppsc.201400104
Publication status	Published - 12 Feb 2015

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https://doi.org/10.1002/ppsc.201400104Licence: CC BY

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abstract = "A simple method for fabricating Au nanoparticles onto the apex of atomic force microscopy (AFM) tips is demonstrated. Apex-selected pulsed electrodeposition, controlled with voltage and pulse time, yields repeatable fabrication of spherical Au nanoparticle tips. Simultaneous fabrication of many tips is demonstrated, enabling high throughput. Surface-enhanced Raman scattering and dark-field spectroscopy are used to show improved plasmonic behavior compared with conventional Au AFM tips.",

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AU - Baumberg, Jeremy J.

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AB - A simple method for fabricating Au nanoparticles onto the apex of atomic force microscopy (AFM) tips is demonstrated. Apex-selected pulsed electrodeposition, controlled with voltage and pulse time, yields repeatable fabrication of spherical Au nanoparticle tips. Simultaneous fabrication of many tips is demonstrated, enabling high throughput. Surface-enhanced Raman scattering and dark-field spectroscopy are used to show improved plasmonic behavior compared with conventional Au AFM tips.

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JO - Particle & Particle Systems Characterization

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Facile Fabrication of Spherical Nanoparticle-Tipped AFM Probes for Plasmonic Applications

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