Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review

In this review paper, we provide an overview of state-of-the-art Pd-based materials for optical H<sub>2</sub> sensors. The first part of the manuscript introduces the operating principles, providing background information on the thermodynamics and the primary mechanisms of optical detect...

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Autores principales:	Andreas Sousanis, George Biskos
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	Pd-based H<sub>2</sub> sensors optical H<sub>2</sub> sensors thin film-based sensors nanostructured sensors nanoparticle-based sensors Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/6a19ed0856f349eeac9b963b4d21b519
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spelling	oai:doaj.org-article:6a19ed0856f349eeac9b963b4d21b5192021-11-25T18:32:27ZThin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review10.3390/nano111131002079-4991https://doaj.org/article/6a19ed0856f349eeac9b963b4d21b5192021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/3100https://doaj.org/toc/2079-4991In this review paper, we provide an overview of state-of-the-art Pd-based materials for optical H<sub>2</sub> sensors. The first part of the manuscript introduces the operating principles, providing background information on the thermodynamics and the primary mechanisms of optical detection. Optical H<sub>2</sub> sensors using thin films (i.e., films without any nanostructuring) are discussed first, followed by those employing nanostructured materials based on aggregated or isolated nanoparticles (ANPs and INPs, respectively), as well as complex nanostructured (CN) architectures. The different material types are discussed on the basis of the properties they can attribute to the resulting sensors, including their limit of detection, sensitivity, and response time. Limitations induced by cracking and the hysteresis effect, which reduce the repeatability and reliability of the sensors, as well as by CO poisoning that deteriorates their performance in the long run, are also discussed together with an overview of manufacturing approaches (e.g., tailoring the composition and/or applying functionalizing coatings) for addressing these issues.Andreas SousanisGeorge BiskosMDPI AGarticlePd-based H<sub>2</sub> sensorsoptical H<sub>2</sub> sensorsthin film-based sensorsnanostructured sensorsnanoparticle-based sensorsChemistryQD1-999ENNanomaterials, Vol 11, Iss 3100, p 3100 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Pd-based H<sub>2</sub> sensors optical H<sub>2</sub> sensors thin film-based sensors nanostructured sensors nanoparticle-based sensors Chemistry QD1-999
spellingShingle	Pd-based H<sub>2</sub> sensors optical H<sub>2</sub> sensors thin film-based sensors nanostructured sensors nanoparticle-based sensors Chemistry QD1-999 Andreas Sousanis George Biskos Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review
description	In this review paper, we provide an overview of state-of-the-art Pd-based materials for optical H<sub>2</sub> sensors. The first part of the manuscript introduces the operating principles, providing background information on the thermodynamics and the primary mechanisms of optical detection. Optical H<sub>2</sub> sensors using thin films (i.e., films without any nanostructuring) are discussed first, followed by those employing nanostructured materials based on aggregated or isolated nanoparticles (ANPs and INPs, respectively), as well as complex nanostructured (CN) architectures. The different material types are discussed on the basis of the properties they can attribute to the resulting sensors, including their limit of detection, sensitivity, and response time. Limitations induced by cracking and the hysteresis effect, which reduce the repeatability and reliability of the sensors, as well as by CO poisoning that deteriorates their performance in the long run, are also discussed together with an overview of manufacturing approaches (e.g., tailoring the composition and/or applying functionalizing coatings) for addressing these issues.
format	article
author	Andreas Sousanis George Biskos
author_facet	Andreas Sousanis George Biskos
author_sort	Andreas Sousanis
title	Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review
title_short	Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review
title_full	Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review
title_fullStr	Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review
title_full_unstemmed	Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review
title_sort	thin film and nanostructured pd-based materials for optical h<sub>2</sub> sensors: a review
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6a19ed0856f349eeac9b963b4d21b519
work_keys_str_mv	AT andreassousanis thinfilmandnanostructuredpdbasedmaterialsforopticalhsub2subsensorsareview AT georgebiskos thinfilmandnanostructuredpdbasedmaterialsforopticalhsub2subsensorsareview
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Thin Film and Nanostructured Pd-Based Materials for Optical H<sub>2</sub> Sensors: A Review

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