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Laser-induced crystallization of anodic TiO.sub.2./sub. nanotube layers
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SYSNO ASEP 0533549 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Laser-induced crystallization of anodic TiO2 nanotube layers Author(s) Sopha, H. (CZ)
Mirza, M. Inam (FZU-D) ORCID
Turčičová, Hana (FZU-D) RID, ORCID
Pavliňák, D. (CZ)
Michalička, J. (CZ)
Krbal, M. (CZ)
Rodriguez-Pereira, J. (CZ)
Hromádko, L. (CZ)
Novák, Ondřej (FZU-D) RID, ORCID
Mužík, Jiří (FZU-D) ORCID
Smrž, Martin (FZU-D) RID, ORCID
Kolíbalová, E. (CZ)
Goodfriend, Nathan (FZU-D) ORCID
Bulgakova, Nadezhda M. (FZU-D) ORCID
Mocek, Tomáš (FZU-D) RID, ORCID, SAI
Macák, J. M. (CZ)Number of authors 16 Source Title RSC Advances. - : Royal Society of Chemistry
Roč. 10, č. 37 (2020), s. 22137-22145Number of pages 9 s. Language eng - English Country GB - United Kingdom Keywords crystallization ; TiO2 ; nanotube ; TNT ; X-ray diffraction ; HRTEM Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) R&D Projects EF15_003/0000445 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EF15_006/0000674 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LO1602 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LM2015086 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000542724200048 EID SCOPUS 85086805974 DOI 10.1039/d0ra02929g Annotation 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. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2021 Electronic address http://hdl.handle.net/11104/0311915
Number of the records: 1