Gold Nanostar Substrates for Metal-Enhanced Fluorescence through the First and Second Near-Infrared Windows
Ioannis G Theodorou
1
,
Zaynab A.R. Jawad
1
,
Qianfan Jiang
1
,
Eric O. Aboagye
2
,
Sarah Fearn
1
,
Mary P Ryan
1
,
Fang Xie
1
Publication type: Journal Article
Publication date: 2017-08-14
scimago Q1
wos Q1
SJR: 2.065
CiteScore: 12.0
Impact factor: 7.0
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
Gold nanostars (AuNSs) are receiving increasing attention for their potential applications in bionanotechnology because of their unique optical properties related to their complex branched morphology. Their sharp features allow strong localized surface plasmon resonances, tunable in the near-infrared (NIR) region, and large enhancements of local electromagnetic fields. Here, the application of AuNSs in metal-enhanced fluorescence (MEF) in the NIR and second NIR (NIR-II) biological windows is explored for the first time. NIR/NIR-II fluorophores are incorporated onto monolayers of AuNSs with tunable plasmonic responses. Over 320-fold fluorescence enhancement is achieved in the NIR, confirming that AuNS substrates are promising NIR-MEF platforms for the development of ultrasensitive biosensing applications. Using fluorescence lifetime measurements to semiquantitatively deconvolute the excitation enhancement from emission enhancement, as well as modeling to simulate the electric field enhancement, we show tha...
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82
Total citations:
82
Citations from 2024:
19
(23.18%)
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Theodorou I. G. et al. Gold Nanostar Substrates for Metal-Enhanced Fluorescence through the First and Second Near-Infrared Windows // Chemistry of Materials. 2017. Vol. 29. No. 16. pp. 6916-6926.
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Theodorou I. G., Jawad Z. A., Jiang Q., Aboagye E. O., Fearn S., Ryan M. P., Xie F. Gold Nanostar Substrates for Metal-Enhanced Fluorescence through the First and Second Near-Infrared Windows // Chemistry of Materials. 2017. Vol. 29. No. 16. pp. 6916-6926.
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RIS
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TY - JOUR
DO - 10.1021/acs.chemmater.7b02313
UR - https://doi.org/10.1021/acs.chemmater.7b02313
TI - Gold Nanostar Substrates for Metal-Enhanced Fluorescence through the First and Second Near-Infrared Windows
T2 - Chemistry of Materials
AU - Theodorou, Ioannis G
AU - Jawad, Zaynab A.R.
AU - Jiang, Qianfan
AU - Aboagye, Eric O.
AU - Fearn, Sarah
AU - Ryan, Mary P
AU - Xie, Fang
PY - 2017
DA - 2017/08/14
PB - American Chemical Society (ACS)
SP - 6916-6926
IS - 16
VL - 29
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2017_Theodorou,
author = {Ioannis G Theodorou and Zaynab A.R. Jawad and Qianfan Jiang and Eric O. Aboagye and Sarah Fearn and Mary P Ryan and Fang Xie},
title = {Gold Nanostar Substrates for Metal-Enhanced Fluorescence through the First and Second Near-Infrared Windows},
journal = {Chemistry of Materials},
year = {2017},
volume = {29},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/acs.chemmater.7b02313},
number = {16},
pages = {6916--6926},
doi = {10.1021/acs.chemmater.7b02313}
}
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Theodorou, Ioannis G., et al. “Gold Nanostar Substrates for Metal-Enhanced Fluorescence through the First and Second Near-Infrared Windows.” Chemistry of Materials, vol. 29, no. 16, Aug. 2017, pp. 6916-6926. https://doi.org/10.1021/acs.chemmater.7b02313.