Laser-induced crystallization of anodic TiO2 nanotube layers
ČlánekOtevřený přístuppeer-reviewedThis is a postprint of an article published in RSC Advances. The final authenticated version is available online at: https://doi.org/10.1039/D0RA02929G or https://pubs.rsc.org/en/Content/ArticleLanding/2020/RA/D0RA02929G#!divAbstract Náhled není k dispozici
Datum publikování
2020
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Royal Society of Chemistry
Abstrakt
In this study, crystallization of amorphous TiO2 nanotube (TNT) layers upon optimized laser annealing is shown. The resulting anatase TNT layers do not show any signs of deformation or melting. The crystallinity of the laser annealed TNT layers was investigated using X-ray diffraction, Raman spectroscopy, and high-resolution transmission electron microscopy (HRTEM). The study of the (photo-)electrochemical properties showed that the laser annealed TNT layers were more defective than conventional TNT layers annealed in a muffle oven at 400 °C, resulting in a higher charge recombination rate and lower photocurrent response. However, a lower overpotential for hydrogen evolution reaction was observed for the laser annealed TNT layer compared to the oven annealed TNT layer.
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2046-2069
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Projekt
EC/H2020/638857/EU/Towards New Generation of Solid-State Photovoltaic Cell: Harvesting Nanotubular Titania and Hybrid Chromophores/CHROMTISOL
Zdrojový dokument
RSC Advances. Vol. 10, iss. 37, 9 June 2020
Vydavatelská verze
https://pubs.rsc.org/en/Content/ArticleLanding/2020/RA/D0RA02929G#!divAbstract
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open access (CC BY-NC 3.0)
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Except where otherwised noted, this item's license is described as open access (CC BY-NC 3.0)