Correlated optical measurements and plasmon mapping of silver nanorods.
basic_science · Level V
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- Record sourced from PubMed, PMID 21732618.
- Also identified by DOI 10.1021/nl202027h.
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Abstract
Plasmonics is a rapidly growing field, yet imaging of the plasmonic modes in complex nanoscale architectures is extremely challenging. Here we obtain spatial maps of the localized surface plasmon modes of high-aspect-ratio silver nanorods using electron energy loss spectroscopy (EELS) and correlate to optical data and classical electrodynamics calculations from the exact same particles. EELS mapping is thus demonstrated to be an invaluable technique for elucidating complex and overlapping plasmon modes.