Journal ArticleDOI
Thin films of Au-Al2O3 for plasmonic sensing
Diana Isabela Faria Meira,R. P. Domingues,Marcos Rodrigues,Eduardo Alves,N.P. Barradas,Joel Nuno Pinto Borges,Filipe Vaz +6 more
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TLDR
In this paper, the development of nanoplasmonic thin films, composed of Au nanoparticles embedded in an Al2O3 matrix, was reported, and the thin films were tested using two dielectric (liquid) environments, showing a consistent response under different H2O/DMSO cycles, yet with low sensitivities (few nm/RIU).About:
This article is published in Applied Surface Science.The article was published on 2020-01-15. It has received 11 citations till now. The article focuses on the topics: Amorphous solid & Sputter deposition.read more
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Review on the advancements of magnetic gels: towards multifunctional magnetic liposome-hydrogel composites for biomedical applications.
TL;DR: Magnetic gels have been gaining great attention in nanomedicine, as they combine features of hydrogels and magnetic nanoparticles into a single system as mentioned in this paper, which leads to a more robust multifunctional system enabling more functions and spatiotemporal control required for biomedical applications.
Journal ArticleDOI
Gas Sensors Based on Localized Surface Plasmon Resonances: Synthesis of Oxide Films with Embedded Metal Nanoparticles, Theory and Simulation, and Sensitivity Enhancement Strategies
Marcos Rodrigues,Joel Nuno Pinto Borges,C. Lopes,Rui M. S. Pereira,Mikhail Vasilevskiy,Filipe Vaz +5 more
TL;DR: In this article, the Portuguese Foundation for Science and Technology (FCT) funded the research of Marco S. Rodrigues and his colleagues in the context of the Strategic Funding UIDB/04650/2020.
Journal ArticleDOI
Optimization of Au:CuO Nanocomposite Thin Films for Gas Sensing with High-Resolution Localized Surface Plasmon Resonance Spectroscopy.
TL;DR: The results showed that the Au:CuO thin film system is a RI sensitive platform able to detect inert gases, which can be more sensitive to detect non-inert gases as O2 or even other reactive species.
Journal ArticleDOI
Enhancing the Sensitivity of Nanoplasmonic Thin Films for Ethanol Vapor Detection.
TL;DR: The optimized thin films seem to be promising candidates to be used for ethanol vapor detection, based not only on the current sensitivity response but also on its enhancement resulting from the optimization routines of thin films’ architectures, which are still under investigation.
Journal ArticleDOI
Nanocomposite Au-ZnO thin films: Influence of gold concentration and thermal annealing on the microstructure and plasmonic response
Patrícia Pereira-Silva,Patrícia Pereira-Silva,Joel Nuno Pinto Borges,Joel Nuno Pinto Borges,Marcos Rodrigues,João Oliveira,Eduardo Alves,N.P. Barradas,João Paulo Dias,Albano Cavaleiro,Filipe Vaz,Filipe Vaz +11 more
TL;DR: In this paper, a set of thin films composed of Au nanoparticles dispersed in a ZnO matrix were produced and characterized for Localized Surface Plasmon Resonance (LSPR) applications.
References
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Journal ArticleDOI
Gold nanoparticles: assembly, supramolecular chemistry, quantum-size-related properties, and applications toward biology, catalysis, and nanotechnology.
TL;DR: A review of gold nanoparticles can be found in this article, where the most stable metal nanoparticles, called gold colloids (AuNPs), have been used for catalysis and biology applications.
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Surface plasmon subwavelength optics
TL;DR: By altering the structure of a metal's surface, the properties of surface plasmons—in particular their interaction with light—can be tailored, which could lead to miniaturized photonic circuits with length scales that are much smaller than those currently achieved.
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Plasmonics for improved photovoltaic devices
Harry A. Atwater,Albert Polman +1 more
TL;DR: Recent advances at the intersection of plasmonics and photovoltaics are surveyed and an outlook on the future of solar cells based on these principles is offered.
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Shape-Controlled Synthesis of Gold and Silver Nanoparticles
Yugang Sun,Younan Xia +1 more
TL;DR: Monodisperse samples of silver nanocubes were synthesized in large quantities by reducing silver nitrate with ethylene glycol in the presence of poly(vinyl pyrrolidone) (PVP), characterized by a slightly truncated shape bounded by {100, {110}, and {111} facets.
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Plasmonics for extreme light concentration and manipulation.
Jon A. Schuller,Edward S. Barnard,Wenshan Cai,Young Chul Jun,Justin S. White,Mark L. Brongersma +5 more
TL;DR: The basic concepts behind plasmonics-enabled light concentration and manipulation are discussed, an attempt to capture the wide range of activities and excitement in this area is made, and possible future directions are speculated on.