Photoluminescence in Au film: Enhanced emission for a corrugated film

Arvind Vengurlekar; Teruya Ishihara

doi:10.1016/j.jlumin.2006.01.291

Photoluminescence in Au film: Enhanced emission for a corrugated film

Arvind Vengurlekar, Teruya Ishihara

SCI - Physics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We perform experiments to observe photoluminescence (PL) from Au thin film deposited on a grating groove pattern etched in quartz substrate and also on the flat part of the substrate. The film is illuminated by ultraviolet light from the substrate side and the PL is detected from the film side. While no PL is detected for the plain film, emission with a broad spectrum (550-750 nm) is seen for the grating. The spectrum shows two dips with a systematic dependence on the grating period and sample orientation. Comparison of the PL and transmission spectral measurements show that the dips are associated with excitation of surface plasmons at the Au/air interface by the propagating light.

Original language	English
Pages (from-to)	796-799
Number of pages	4
Journal	Journal of Luminescence
Volume	122-123
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jlumin.2006.01.291
Publication status	Published - 2007 Jan 1

Keywords

Au film gratings
Photoluminescence
Surface plasmons
Transmission

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Atomic and Molecular Physics, and Optics

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abstract = "We perform experiments to observe photoluminescence (PL) from Au thin film deposited on a grating groove pattern etched in quartz substrate and also on the flat part of the substrate. The film is illuminated by ultraviolet light from the substrate side and the PL is detected from the film side. While no PL is detected for the plain film, emission with a broad spectrum (550-750 nm) is seen for the grating. The spectrum shows two dips with a systematic dependence on the grating period and sample orientation. Comparison of the PL and transmission spectral measurements show that the dips are associated with excitation of surface plasmons at the Au/air interface by the propagating light.",

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AU - Ishihara, Teruya

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N2 - We perform experiments to observe photoluminescence (PL) from Au thin film deposited on a grating groove pattern etched in quartz substrate and also on the flat part of the substrate. The film is illuminated by ultraviolet light from the substrate side and the PL is detected from the film side. While no PL is detected for the plain film, emission with a broad spectrum (550-750 nm) is seen for the grating. The spectrum shows two dips with a systematic dependence on the grating period and sample orientation. Comparison of the PL and transmission spectral measurements show that the dips are associated with excitation of surface plasmons at the Au/air interface by the propagating light.

AB - We perform experiments to observe photoluminescence (PL) from Au thin film deposited on a grating groove pattern etched in quartz substrate and also on the flat part of the substrate. The film is illuminated by ultraviolet light from the substrate side and the PL is detected from the film side. While no PL is detected for the plain film, emission with a broad spectrum (550-750 nm) is seen for the grating. The spectrum shows two dips with a systematic dependence on the grating period and sample orientation. Comparison of the PL and transmission spectral measurements show that the dips are associated with excitation of surface plasmons at the Au/air interface by the propagating light.

KW - Au film gratings

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KW - Surface plasmons

KW - Transmission

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