Journal ArticleDOI
Optimization of nanocomposite Au/TiO 2 thin films towards LSPR optical-sensing
Marcos Rodrigues,Diana Soares da Costa,R. P. Domingues,M. Apreutesei,P. Pedrosa,Nicolas Martin,Vitor M. Correlo,Rui L. Reis,Eduardo Alves,N.P. Barradas,Paula Sampaio,Joel Nuno Pinto Borges,Filipe Vaz +12 more
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TLDR
In this article, the optical sensing capabilities were tailored by optimizing LSPR absorption bands of nanocomposite Au/TiO 2 thin films, which were grown by reactive DC magnetron sputtering.About:
This article is published in Applied Surface Science.The article was published on 2017-09-20. It has received 53 citations till now. The article focuses on the topics: Thin film & Sputter deposition.read more
Citations
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Journal ArticleDOI
Integration of plasmonic Au nanoparticles in TiO2 hierarchical structures in a single-step pulsed laser co-deposition
Beatrice Roberta Bricchi,Matteo Ghidelli,Luca Mascaretti,Andrea Zapelli,Valeria Russo,Carlo Spartaco Casari,Giancarlo Terraneo,Ivano Alessandri,Caterina Ducati,Andrea Li Bassi +9 more
TL;DR: In this article, the plasmonic resonance of noble metal nanoparticles (NPs) can be exploited to enhance the photoresponse of wide band gap oxides in view of several solar energy applications.
Journal ArticleDOI
LSPR optical fiber biosensor based on a 3D composite structure of gold nanoparticles and multilayer graphene films
Can Li,Zhen Li,Li Shuanglu,Yanan Zhang,Baoping Sun,Yuehao Yu,Haiyang Ren,Shouzhen Jiang,Weiwei Yue +8 more
TL;DR: A localized surface-plasmon resonance (LSPR) biosensor, which uses a U-shaped multi-mode fiber (U-MMF), modified with a complex of three-dimensional gold nanoparticles and multilayer graphene as spacer, shows excellent performance and points towards a vast potential in the field of medical diagnostics.
Journal ArticleDOI
Highly improved responsivity of self-powered UV–Visible photodetector based on TiO2/Ag/TiO2 multilayer deposited by GLAD technique: Effects of oriented columns and nano-sculptured surface
TL;DR: In this article, the influence of the inclined architecture on the performance of the prepared TiO2/Ag/TiO2 multilayer was analyzed and the results showed that near-perfect UV photodetection and over than 60% of visible-absorbance were achieved by taking a deposition angle of 80°.
Journal ArticleDOI
Nanoplasmonic response of porous Au-TiO2 thin films prepared by oblique angle deposition
Marcos Rodrigues,Joel Nuno Pinto Borges,Maria Manuela Carvalho Proença,P. Pedrosa,P. Pedrosa,Nicolas Martin,Konstantin Romanyuk,Konstantin Romanyuk,Andrei L. Kholkin,Andrei L. Kholkin,Filipe Vaz +10 more
TL;DR: It is demonstrated that zigzag nanostructures can enhance adsorption sites for LSPR sensing by tailoring the porosity of the thin films by improving the RI sensitivity of the films for higher incidence angles.
Journal ArticleDOI
Influence of plasma functionalization treatment and gold nanoparticles on surface chemistry and wettability of reactive-sputtered TiO2 thin films
TL;DR: Amorphous titanium oxide (TiO2) thin films were deposited on silicon substrates by DC-magnetron sputtering at room temperature as discussed by the authors, and the surface of thin film were treated in argon plasma admixed with ammonia or nitrogen or oxygen or hydrogen.
References
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Biosensing with plasmonic nanosensors
TL;DR: This paper introduces the localized surface plasmon resonance (LSPR) sensor and describes how its exquisite sensitivity to size, shape and environment can be harnessed to detect molecular binding events and changes in molecular conformation.
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Localized Surface Plasmon Resonance Spectroscopy and Sensing
TL;DR: This review describes recent fundamental spectroscopic studies that reveal key relationships governing the LSPR spectral location and its sensitivity to the local environment, including nanoparticle shape and size and introduces a new form of L SPR spectroscopy, involving the coupling between nanoparticle plasmon resonances and adsorbate molecular resonances.
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Review of the anatase to rutile phase transformation
TL;DR: A comprehensive analysis of the reported effects of dopants on the anatase to rutile phase transformation and the mechanisms by which these effects are brought about is presented in this article, yielding a plot of the cationic radius versus the valence characterised by a distinct boundary between inhibitors and promoters.
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LSPR-based nanobiosensors
TL;DR: The basis behind LSPR sensing is described, the latest progress regarding nanostructure fabrication techniques and biosensing applications are summarized, and the challenges that L SPR biosensors should face are discussed.
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A unified view of propagating and localized surface plasmon resonance biosensors
TL;DR: The color associated with single nanoparticles and surface-confined nanoparticle arrays will be shown to be tunable and useful as platforms for chemical and biological sensing and the LSPR nanosensor will be compared to traditional, flat surface, propagating surface plasmon resonance sensors.