Surface plasmon-coupled ultraviolet emission of 2,5-Diphenyl-1,3,4-oxadiazole

Joanna Malicka; Ignacy Gryczynski; Zygmunt Gryczynski; Joseph R. Lakowicz

doi:10.1021/jp047136u

Surface plasmon-coupled ultraviolet emission of 2,5-Diphenyl-1,3,4-oxadiazole

Joanna Malicka, Ignacy Gryczynski, Zygmunt Gryczynski, Joseph R. Lakowicz

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Abstract

We studied surface plasmon-coupled emission (SPCE) of 2,5-diphenyl-1,3,4-oxadiazole (PPD) using a 20 nm aluminum film deposited on a quartz substrate. The directional SPCE UV fluorescence occurs within a narrow angle at 57° from the normal to the coupling hemicylindrical prism. This radiation is almost completely p-polarized, consistent with its origin from surface plasmons. These surface plasmons are induced by excited PPD molecules. The coupling of excited fluorophore dipoles with the aluminum is highly efficient, exceeding 50%. Different fluorescence emission wavelengths are emitted at slightly different angles on the prism, providing intrinsic spectral resolution. SPCE fluorescence on thin aluminum films can be used with many UV absorbing and emitting fluorophores.

Original language	English
Pages (from-to)	19114-19118
Number of pages	5
Journal	Journal of Physical Chemistry B
Volume	108
Issue number	50
DOIs	https://doi.org/10.1021/jp047136u
State	Published - 16 Dec 2004

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title = "Surface plasmon-coupled ultraviolet emission of 2,5-Diphenyl-1,3,4-oxadiazole",

abstract = "We studied surface plasmon-coupled emission (SPCE) of 2,5-diphenyl-1,3,4-oxadiazole (PPD) using a 20 nm aluminum film deposited on a quartz substrate. The directional SPCE UV fluorescence occurs within a narrow angle at 57° from the normal to the coupling hemicylindrical prism. This radiation is almost completely p-polarized, consistent with its origin from surface plasmons. These surface plasmons are induced by excited PPD molecules. The coupling of excited fluorophore dipoles with the aluminum is highly efficient, exceeding 50%. Different fluorescence emission wavelengths are emitted at slightly different angles on the prism, providing intrinsic spectral resolution. SPCE fluorescence on thin aluminum films can be used with many UV absorbing and emitting fluorophores.",

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AU - Malicka, Joanna

AU - Gryczynski, Ignacy

AU - Gryczynski, Zygmunt

AU - Lakowicz, Joseph R.

PY - 2004/12/16

Y1 - 2004/12/16

N2 - We studied surface plasmon-coupled emission (SPCE) of 2,5-diphenyl-1,3,4-oxadiazole (PPD) using a 20 nm aluminum film deposited on a quartz substrate. The directional SPCE UV fluorescence occurs within a narrow angle at 57° from the normal to the coupling hemicylindrical prism. This radiation is almost completely p-polarized, consistent with its origin from surface plasmons. These surface plasmons are induced by excited PPD molecules. The coupling of excited fluorophore dipoles with the aluminum is highly efficient, exceeding 50%. Different fluorescence emission wavelengths are emitted at slightly different angles on the prism, providing intrinsic spectral resolution. SPCE fluorescence on thin aluminum films can be used with many UV absorbing and emitting fluorophores.

AB - We studied surface plasmon-coupled emission (SPCE) of 2,5-diphenyl-1,3,4-oxadiazole (PPD) using a 20 nm aluminum film deposited on a quartz substrate. The directional SPCE UV fluorescence occurs within a narrow angle at 57° from the normal to the coupling hemicylindrical prism. This radiation is almost completely p-polarized, consistent with its origin from surface plasmons. These surface plasmons are induced by excited PPD molecules. The coupling of excited fluorophore dipoles with the aluminum is highly efficient, exceeding 50%. Different fluorescence emission wavelengths are emitted at slightly different angles on the prism, providing intrinsic spectral resolution. SPCE fluorescence on thin aluminum films can be used with many UV absorbing and emitting fluorophores.

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Surface plasmon-coupled ultraviolet emission of 2,5-Diphenyl-1,3,4-oxadiazole

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