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Article

Nanocrystalline TiO2 Sensitive Layer for Plasmonic Hydrogen Sensing

1
Department of Physics and Astronomy “G. Galilei”, University of Padova, Via Marzolo 8, 35131 Padova, Italy
2
Department of Industrial Engineering, University of Padova, Via Marzolo 9, 35131 Padova, Italy
3
Institute for Materials Manufacturing, CNR, Area Science Park, Strada Statale 14 Km 163.5, 34149 Trieste, Italy
4
Istituto di Fotonica e Nanotecnologie, CNR, via Trasea 7, 35131 Padova, Italy
*
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(8), 1490; https://doi.org/10.3390/nano10081490
Received: 30 June 2020 / Revised: 24 July 2020 / Accepted: 24 July 2020 / Published: 29 July 2020
(This article belongs to the Special Issue Wet Chemical Synthesis of Functional Nanomaterials)
Solution processed TiO2 anatase film was used as sensitive layer for H2 detection for two plasmonic sensor configurations: A grating-coupled surface plasmon resonance sensor and a localized surface plasmon resonance sensor with gold nanoparticles. The main purpose of this paper is to elucidate the different H2 response observed for the two types of sensors which can be explained considering the hydrogen dissociation taking place on TiO2 at high temperature and the photocatalytic activity of the gold nanoparticles. View Full-Text
Keywords: optical sensors; plasmonic sensors; hydrogen; titania; gold nanoparticles optical sensors; plasmonic sensors; hydrogen; titania; gold nanoparticles
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MDPI and ACS Style

Gazzola, E.; Cittadini, M.; Angiola, M.; Brigo, L.; Guglielmi, M.; Romanato, F.; Martucci, A. Nanocrystalline TiO2 Sensitive Layer for Plasmonic Hydrogen Sensing. Nanomaterials 2020, 10, 1490. https://doi.org/10.3390/nano10081490

AMA Style

Gazzola E, Cittadini M, Angiola M, Brigo L, Guglielmi M, Romanato F, Martucci A. Nanocrystalline TiO2 Sensitive Layer for Plasmonic Hydrogen Sensing. Nanomaterials. 2020; 10(8):1490. https://doi.org/10.3390/nano10081490

Chicago/Turabian Style

Gazzola, Enrico; Cittadini, Michela; Angiola, Marco; Brigo, Laura; Guglielmi, Massimo; Romanato, Filippo; Martucci, Alessandro. 2020. "Nanocrystalline TiO2 Sensitive Layer for Plasmonic Hydrogen Sensing" Nanomaterials 10, no. 8: 1490. https://doi.org/10.3390/nano10081490

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