Journal
JOURNAL OF FLUORESCENCE
Volume 16, Issue 3, Pages 295-299Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-006-0082-z
Keywords
metal-enhanced fluorescence; radiative decay engineering; silver nanostructures; metal-enhanced chemiluminescence; radiating plasmons; plasmon controlled fluorescence
Funding
- NCRR NIH HHS [RR008119, P41 RR008119] Funding Source: Medline
- NIGMS NIH HHS [R21 GM070929, GM070929] Funding Source: Medline
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In this short paper we report the interactions of silver island films with chemiluminescing species. Our findings show that silver island films can increase the detectability of chemiluminescent reactions/species, with an approximately 5-fold increase in signal intensity. This finding not only suggests the use of silver nanostructures to amplify chemiluminscent signatures in assay platforms, and therefore increase the detectability of analytes or biospecies, but more importantly, suggests that surface plasmons can be directly excited by chemically induced electronically excited molecules. This finding is of significance towards our understanding of fluorophore-metal interactions, a relatively new near-field fluorescence concept, recently named metal-enhanced fluorescence and also radiative decay engineering.
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