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@ARTICLE{Ringe:280299,
author = {Ringe, Emilie and DeSantis, Christopher J. and Collins,
Sean M. and Duchamp, Martial and Dunin-Borkowski, Rafal and
Skrabalak, Sara E. and Midgley, Paul A.},
title = {{R}esonances of nanoparticles with poor plasmonic metal
tips},
journal = {Scientific reports},
volume = {5},
issn = {2045-2322},
address = {London},
publisher = {Nature Publishing Group},
reportid = {FZJ-2016-00088},
pages = {17431 -},
year = {2015},
abstract = {The catalytic and optical properties of metal nanoparticles
can be combined to create platforms for light-driven
chemical energy storage and enhanced in-situ reaction
monitoring. However, the heavily damped plasmon resonances
of many catalytically active metals (e.g. Pt, Pd) prevent
this dual functionality in pure nanostructures. The addition
of catalytic metals at the surface of efficient plasmonic
particles thus presents a unique opportunity if the
resonances can be conserved after coating. Here, nanometer
resolution electron-based techniques (electron energy loss,
cathodoluminescence, and energy dispersive X-ray
spectroscopy) are used to show that Au particles
incorporating a catalytically active but heavily damped
metal, Pd, sustain multiple size-dependent localized surface
plasmon resonances (LSPRs) that are narrow and strongly
localized at the Pd-rich tips. The resonances also couple
with a dielectric substrate and other nanoparticles,
establishing that the full range of plasmonic behavior is
observed in these multifunctional nanostructures despite the
presence of Pd.},
cin = {PGI-5},
ddc = {000},
cid = {I:(DE-Juel1)PGI-5-20110106},
pnm = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
pid = {G:(DE-HGF)POF3-143},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000365417900006},
pubmed = {pmid:26617270},
doi = {10.1038/srep17431},
url = {https://juser.fz-juelich.de/record/280299},
}