Sol-gel glasses with enhanced luminescence of laser dye Rhodamine B due to plasmonic coupling by copper nanoparticles

Renata Reisfeld; Marek Grinberg; Viktoria Levchenko; Benedykt Kukliński; Sebastian Mahlik; Shlomo Magdassi; Michael Grouchko

doi:10.1016/j.optmat.2013.11.011

Sol-gel glasses with enhanced luminescence of laser dye Rhodamine B due to plasmonic coupling by copper nanoparticles

Renata Reisfeld^*, Marek Grinberg, Viktoria Levchenko, Benedykt Kukliński, Sebastian Mahlik, Shlomo Magdassi, Michael Grouchko

^*Corresponding author for this work

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

27 Scopus citations

Abstract

We present the possibility to increase the emission of Rhodamine B (Rh B) as a result of its interaction with surface plasmons (SF) created by copper nanoparticles (Cu NPs). The optical absorption and emission of Rh B with Cu NPs incorporated into glass films formed by sol-gel method were studied by steady state and picosecond spectroscopy. The observed increased luminescence is the result of interaction of the excited state of the dye with scattered light created by copper plasmons and possible energy transfer from the excited Cu NPs which occur at femptosecond time range. The steady state absorption, excitation, fluorescence and lifetimes excited by picosecond pulses were measured. The quantum efficiencies of the films were obtained by comparative method.

Original language	English
Pages (from-to)	1611-1615
Number of pages	5
Journal	Optical Materials
Volume	36
Issue number	10
DOIs	https://doi.org/10.1016/j.optmat.2013.11.011
State	Published - 1 Aug 2014
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2013 Elsevier B.V. All rights reserved.

Keywords

Copper nanoparticles
Luminescence increase
Sol-gel
Steady state and picosecond spectroscopy

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10.1016/j.optmat.2013.11.011

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title = "Sol-gel glasses with enhanced luminescence of laser dye Rhodamine B due to plasmonic coupling by copper nanoparticles",

abstract = "We present the possibility to increase the emission of Rhodamine B (Rh B) as a result of its interaction with surface plasmons (SF) created by copper nanoparticles (Cu NPs). The optical absorption and emission of Rh B with Cu NPs incorporated into glass films formed by sol-gel method were studied by steady state and picosecond spectroscopy. The observed increased luminescence is the result of interaction of the excited state of the dye with scattered light created by copper plasmons and possible energy transfer from the excited Cu NPs which occur at femptosecond time range. The steady state absorption, excitation, fluorescence and lifetimes excited by picosecond pulses were measured. The quantum efficiencies of the films were obtained by comparative method.",

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AU - Reisfeld, Renata

AU - Grinberg, Marek

AU - Levchenko, Viktoria

AU - Kukliński, Benedykt

AU - Mahlik, Sebastian

AU - Magdassi, Shlomo

AU - Grouchko, Michael

PY - 2014/8/1

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AB - We present the possibility to increase the emission of Rhodamine B (Rh B) as a result of its interaction with surface plasmons (SF) created by copper nanoparticles (Cu NPs). The optical absorption and emission of Rh B with Cu NPs incorporated into glass films formed by sol-gel method were studied by steady state and picosecond spectroscopy. The observed increased luminescence is the result of interaction of the excited state of the dye with scattered light created by copper plasmons and possible energy transfer from the excited Cu NPs which occur at femptosecond time range. The steady state absorption, excitation, fluorescence and lifetimes excited by picosecond pulses were measured. The quantum efficiencies of the films were obtained by comparative method.

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KW - Luminescence increase

KW - Sol-gel

KW - Steady state and picosecond spectroscopy

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Sol-gel glasses with enhanced luminescence of laser dye Rhodamine B due to plasmonic coupling by copper nanoparticles

Abstract

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