Facile Fabrication of Spherical Nanoparticle-Tipped AFM Probes for Plasmonic Applications.
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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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Journal ISSN
0934-0866
1521-4117
1521-4117
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Publisher
Wiley
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Except where otherwised noted, this item's license is described as Attribution 2.0 UK: England & Wales
Sponsorship
Engineering and Physical Sciences Research Council (EP/G060649/1)
Engineering and Physical Sciences Research Council (EP/K028510/1)
Engineering and Physical Sciences Research Council (EP/L027151/1)
Engineering and Physical Sciences Research Council (EP/H007024/1)
European Research Council (320503)
European Commission (298012)
Engineering and Physical Sciences Research Council (EP/K028510/1)
Engineering and Physical Sciences Research Council (EP/L027151/1)
Engineering and Physical Sciences Research Council (EP/H007024/1)
European Research Council (320503)
European Commission (298012)
We wish to acknowledge the support of grants UK EPSRC EP/G060649/1, EP/H007024/1, a Marie Curie Intra-European Fellowship (FP7-PEOPLE-2011-IEF 298012 to L.Z.), ERC LINASS 320503, and Royal Society IE120879. R.W.B. thanks Queens’ College, Cambridge for financial support.