Abstract
Radiationless energy transfer from excited dye molecules to silver islands has been studied. The dye is separated from the metal surface by a thin layer of SiOx. When the spacer layer thickness is increased from d=0, an increase in the luminescence intensity is observed. For the low quantum yield dye Basic Fuchsin, a maximum luminescence enhancement of 200 is observed at dSiO≂25 Å, relative to dye on an inert substrate. With further increase in spacer thickness, the luminescence intensity drops rapidly toward the unenhanced value. The results are interpreted in terms of competition between local field enhancement and loss of excitation by energy transfer to the metal.
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Dates
Type | When |
---|---|
Created | 22 years, 6 months ago (Feb. 28, 2003, 12:03 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 8:07 p.m.) |
Indexed | 2 months ago (July 2, 2025, 1:51 p.m.) |
Issued | 42 years, 2 months ago (July 1, 1983) |
Published | 42 years, 2 months ago (July 1, 1983) |
Published Print | 42 years, 2 months ago (July 1, 1983) |
@article{Wokaun_1983, title={Energy transfer in surface enhanced luminescence}, volume={79}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.445550}, DOI={10.1063/1.445550}, number={1}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Wokaun, A. and Lutz, H.-P. and King, A. P. and Wild, U. P. and Ernst, R. R.}, year={1983}, month=jul, pages={509–514} }