Preparation of plasmonic platforms of silver wires on gold mirrors and their application to surface enhanced fluorescence

Tanya Shtoyko; Sangram Raut; Ryan M. Rich; Randy J. Sronce; Rafal Fudala; Rachel N. Mason; Irina Akopova; Zygmunt Gryczynski; Ignacy Gryczynski

doi:10.1021/am504431j

Preparation of plasmonic platforms of silver wires on gold mirrors and their application to surface enhanced fluorescence

Tanya Shtoyko, Sangram Raut, Ryan M. Rich, Randy J. Sronce, Rafal Fudala, Rachel N. Mason, Irina Akopova, Zygmunt Gryczynski, Ignacy Gryczynski

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

8 Scopus citations

Abstract

In this report we describe a preparation of silver wires (SWs) on gold mirrors and its application to surface enhanced fluorescence (SEF) using a new methodology. Silica protected gold mirrors were drop-coated with a solution of silver triangular nanoprisms. The triangular nanoprisms were slowly air-dried to get silver wires that self-assembled on the gold mirrors. Fluorescence enhancement was studied using methyl azadioxatriangulenium chloride (Me-ADOTA·Cl) dye in PVA spin-coated on a clean glass coverslip. New Plasmonic Platforms (PPs) were assembled by placing a mirror with SWs in contact with a glass coverslip spin-coated with a uniform Me-ADOTA·Cl film. It was shown that surface enhanced fluorescence is a real phenomenon, not just an enhancement of the fluorescence signal due to an accumulation of the fluorophore on rough nanostructure surfaces. The average fluorescence enhancement was found to be about 15-fold. The lifetime of Me-ADOTA·Cl dye was significantly reduced (∼4 times) in the presence of SWs. Moreover, fluorescence enhancement and lifetime did not show any dependence on the excitation light polarization.

Original language	English
Pages (from-to)	18780-18787
Number of pages	8
Journal	ACS Applied Materials and Interfaces
Volume	6
Issue number	21
DOIs	https://doi.org/10.1021/am504431j
State	Published - 12 Nov 2014

Keywords

fluorescence lifetime imaging
metal-enhanced fluorescence
photonics
plasmonic platform

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@article{d34bf4309bc24f59bb929f116cc0fde3,

title = "Preparation of plasmonic platforms of silver wires on gold mirrors and their application to surface enhanced fluorescence",

abstract = "In this report we describe a preparation of silver wires (SWs) on gold mirrors and its application to surface enhanced fluorescence (SEF) using a new methodology. Silica protected gold mirrors were drop-coated with a solution of silver triangular nanoprisms. The triangular nanoprisms were slowly air-dried to get silver wires that self-assembled on the gold mirrors. Fluorescence enhancement was studied using methyl azadioxatriangulenium chloride (Me-ADOTA·Cl) dye in PVA spin-coated on a clean glass coverslip. New Plasmonic Platforms (PPs) were assembled by placing a mirror with SWs in contact with a glass coverslip spin-coated with a uniform Me-ADOTA·Cl film. It was shown that surface enhanced fluorescence is a real phenomenon, not just an enhancement of the fluorescence signal due to an accumulation of the fluorophore on rough nanostructure surfaces. The average fluorescence enhancement was found to be about 15-fold. The lifetime of Me-ADOTA·Cl dye was significantly reduced (∼4 times) in the presence of SWs. Moreover, fluorescence enhancement and lifetime did not show any dependence on the excitation light polarization.",

keywords = "fluorescence lifetime imaging, metal-enhanced fluorescence, photonics, plasmonic platform",

author = "Tanya Shtoyko and Sangram Raut and Rich, {Ryan M.} and Sronce, {Randy J.} and Rafal Fudala and Mason, {Rachel N.} and Irina Akopova and Zygmunt Gryczynski and Ignacy Gryczynski",

note = "Publisher Copyright: {\textcopyright} 2014 American Chemical Society.",

year = "2014",

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doi = "10.1021/am504431j",

language = "English",

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AU - Shtoyko, Tanya

AU - Raut, Sangram

AU - Rich, Ryan M.

AU - Sronce, Randy J.

AU - Fudala, Rafal

AU - Mason, Rachel N.

AU - Akopova, Irina

AU - Gryczynski, Zygmunt

AU - Gryczynski, Ignacy

PY - 2014/11/12

Y1 - 2014/11/12

N2 - In this report we describe a preparation of silver wires (SWs) on gold mirrors and its application to surface enhanced fluorescence (SEF) using a new methodology. Silica protected gold mirrors were drop-coated with a solution of silver triangular nanoprisms. The triangular nanoprisms were slowly air-dried to get silver wires that self-assembled on the gold mirrors. Fluorescence enhancement was studied using methyl azadioxatriangulenium chloride (Me-ADOTA·Cl) dye in PVA spin-coated on a clean glass coverslip. New Plasmonic Platforms (PPs) were assembled by placing a mirror with SWs in contact with a glass coverslip spin-coated with a uniform Me-ADOTA·Cl film. It was shown that surface enhanced fluorescence is a real phenomenon, not just an enhancement of the fluorescence signal due to an accumulation of the fluorophore on rough nanostructure surfaces. The average fluorescence enhancement was found to be about 15-fold. The lifetime of Me-ADOTA·Cl dye was significantly reduced (∼4 times) in the presence of SWs. Moreover, fluorescence enhancement and lifetime did not show any dependence on the excitation light polarization.

AB - In this report we describe a preparation of silver wires (SWs) on gold mirrors and its application to surface enhanced fluorescence (SEF) using a new methodology. Silica protected gold mirrors were drop-coated with a solution of silver triangular nanoprisms. The triangular nanoprisms were slowly air-dried to get silver wires that self-assembled on the gold mirrors. Fluorescence enhancement was studied using methyl azadioxatriangulenium chloride (Me-ADOTA·Cl) dye in PVA spin-coated on a clean glass coverslip. New Plasmonic Platforms (PPs) were assembled by placing a mirror with SWs in contact with a glass coverslip spin-coated with a uniform Me-ADOTA·Cl film. It was shown that surface enhanced fluorescence is a real phenomenon, not just an enhancement of the fluorescence signal due to an accumulation of the fluorophore on rough nanostructure surfaces. The average fluorescence enhancement was found to be about 15-fold. The lifetime of Me-ADOTA·Cl dye was significantly reduced (∼4 times) in the presence of SWs. Moreover, fluorescence enhancement and lifetime did not show any dependence on the excitation light polarization.

KW - fluorescence lifetime imaging

KW - metal-enhanced fluorescence

KW - photonics

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JO - ACS Applied Materials and Interfaces

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ER -

Preparation of plasmonic platforms of silver wires on gold mirrors and their application to surface enhanced fluorescence

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