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New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide

The results of this work cover the influence of plasmonic (gold) and non-plasmonic (palladium) nanostructures on the photocatalytic activity and redox properties of titanium dioxide. Materials decorated with gold, palladium and both materials were examined using photoelectrochemical and spectroelect...

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Autores principales: Jakimińska, Anna, Spilarewicz, Kaja, Macyk, Wojciech
Formato: Online Artículo Texto
Lenguaje:English
Publicado: RSC 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10628983/
https://www.ncbi.nlm.nih.gov/pubmed/37941939
http://dx.doi.org/10.1039/d3na00513e
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author Jakimińska, Anna
Spilarewicz, Kaja
Macyk, Wojciech
author_facet Jakimińska, Anna
Spilarewicz, Kaja
Macyk, Wojciech
author_sort Jakimińska, Anna
collection PubMed
description The results of this work cover the influence of plasmonic (gold) and non-plasmonic (palladium) nanostructures on the photocatalytic activity and redox properties of titanium dioxide. Materials decorated with gold, palladium and both materials were examined using photoelectrochemical and spectroelectrochemical methods to establish the changes introduced by the modifications and the possibility of the influence of the plasmonic effect from gold on their activity. Additionally, the photocatalytic tests of hydroxyl radical generation and hydrogen evolution were performed to confirm the activity of modified materials in oxidation and reduction reactions. It turned out that in the observed system the catalytic properties of palladium determine mostly the activity of modified materials, and the surface plasmon resonance of gold does not affect the activity. Moreover, the influence of the nanostructures on the activity, besides the catalytic performance, is the same for plasmonic and non-plasmonic ones and results in a change in the redox properties of the semiconductor.
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spelling pubmed-106289832023-11-08 New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide Jakimińska, Anna Spilarewicz, Kaja Macyk, Wojciech Nanoscale Adv Chemistry The results of this work cover the influence of plasmonic (gold) and non-plasmonic (palladium) nanostructures on the photocatalytic activity and redox properties of titanium dioxide. Materials decorated with gold, palladium and both materials were examined using photoelectrochemical and spectroelectrochemical methods to establish the changes introduced by the modifications and the possibility of the influence of the plasmonic effect from gold on their activity. Additionally, the photocatalytic tests of hydroxyl radical generation and hydrogen evolution were performed to confirm the activity of modified materials in oxidation and reduction reactions. It turned out that in the observed system the catalytic properties of palladium determine mostly the activity of modified materials, and the surface plasmon resonance of gold does not affect the activity. Moreover, the influence of the nanostructures on the activity, besides the catalytic performance, is the same for plasmonic and non-plasmonic ones and results in a change in the redox properties of the semiconductor. RSC 2023-10-04 /pmc/articles/PMC10628983/ /pubmed/37941939 http://dx.doi.org/10.1039/d3na00513e Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Jakimińska, Anna
Spilarewicz, Kaja
Macyk, Wojciech
New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
title New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
title_full New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
title_fullStr New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
title_full_unstemmed New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
title_short New insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
title_sort new insights into the influence of plasmonic and non-plasmonic nanostructures on the photocatalytic activity of titanium dioxide
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10628983/
https://www.ncbi.nlm.nih.gov/pubmed/37941939
http://dx.doi.org/10.1039/d3na00513e
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