Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence

Decades of intense research in the field of nanoscience have led to the ability to produce nanoparticles (NPs) with controlled composition, shape, and size. One of the next key challenges is the self-­assembly of appropriate NP building blocks into larger systems to obtain microscale or macroscale m...

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Main Authors: Oscar F. Silvestre, Anish Rao, Luis M. Liz-Marzán
Format: Article
Language:English
Published: Taylor & Francis Group 2023-12-01
Series:European Journal of Materials
Subjects:
Online Access:http://dx.doi.org/10.1080/26889277.2023.2202676
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author Oscar F. Silvestre
Anish Rao
Luis M. Liz-Marzán
author_facet Oscar F. Silvestre
Anish Rao
Luis M. Liz-Marzán
author_sort Oscar F. Silvestre
collection DOAJ
description Decades of intense research in the field of nanoscience have led to the ability to produce nanoparticles (NPs) with controlled composition, shape, and size. One of the next key challenges is the self-­assembly of appropriate NP building blocks into larger systems to obtain microscale or macroscale materials. To achieve this, self-assembly protocols must not only produce high-quality structures but also deliver the assemblies of interest to desired locations on a substrate. In this review, we discuss different self-assembly strategies, focusing on colloidal gold NPs and applications as plasmon-enhanced fluorescence (PEF) platforms. These plasmonic substrates have been used for biosensing and cell imaging, based on the enhancement of fluorescent emitters, and applied to improve the emission efficiency of luminescent NPs. It is important to note that higher fluorescence enhancement relies on precise control of the location of gold NPs and fluorescent emitters on the plasmonic substrate. Despite the diversity of available self-assembly strategies, many of them provide similar levels of structural control over the placement of gold NPs on the substrate. To highlight this, we have organized the discussion according to strategies that result in similar degrees of structural control over the placement of gold NPs and its associated PEF effect.
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spelling doaj.art-65e666de022449cdbe6f8c3983a5fe032023-09-22T09:19:47ZengTaylor & Francis GroupEuropean Journal of Materials2688-92772023-12-013110.1080/26889277.2023.22026762202676Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescenceOscar F. Silvestre0Anish Rao1Luis M. Liz-Marzán2Bionanoplasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA)Bionanoplasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA)Bionanoplasmonics Laboratory, CIC biomaGUNE, Basque Research and Technology Alliance (BRTA)Decades of intense research in the field of nanoscience have led to the ability to produce nanoparticles (NPs) with controlled composition, shape, and size. One of the next key challenges is the self-­assembly of appropriate NP building blocks into larger systems to obtain microscale or macroscale materials. To achieve this, self-assembly protocols must not only produce high-quality structures but also deliver the assemblies of interest to desired locations on a substrate. In this review, we discuss different self-assembly strategies, focusing on colloidal gold NPs and applications as plasmon-enhanced fluorescence (PEF) platforms. These plasmonic substrates have been used for biosensing and cell imaging, based on the enhancement of fluorescent emitters, and applied to improve the emission efficiency of luminescent NPs. It is important to note that higher fluorescence enhancement relies on precise control of the location of gold NPs and fluorescent emitters on the plasmonic substrate. Despite the diversity of available self-assembly strategies, many of them provide similar levels of structural control over the placement of gold NPs on the substrate. To highlight this, we have organized the discussion according to strategies that result in similar degrees of structural control over the placement of gold NPs and its associated PEF effect.http://dx.doi.org/10.1080/26889277.2023.2202676self-assembly on a substrateplasmon enhanced fluorescencegold nanoparticlessurface plasmons
spellingShingle Oscar F. Silvestre
Anish Rao
Luis M. Liz-Marzán
Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
European Journal of Materials
self-assembly on a substrate
plasmon enhanced fluorescence
gold nanoparticles
surface plasmons
title Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
title_full Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
title_fullStr Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
title_full_unstemmed Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
title_short Self-assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
title_sort self assembled colloidal gold nanoparticles as substrates for plasmon enhanced fluorescence
topic self-assembly on a substrate
plasmon enhanced fluorescence
gold nanoparticles
surface plasmons
url http://dx.doi.org/10.1080/26889277.2023.2202676
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