Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization

In this research, we attempted to modify the bandgap of anodic titanium oxide by in situ incorporation of selected elements into the anodic titanium oxide during the titanium anodization process. The main aim of this research was to obtain photoactivity of anodic titanium oxide over a broader sunlig...

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Main Authors: Marta Michalska-Domańska, Katarzyna Prabucka, Mateusz Czerwiński
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/16/7/2707
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author Marta Michalska-Domańska
Katarzyna Prabucka
Mateusz Czerwiński
author_facet Marta Michalska-Domańska
Katarzyna Prabucka
Mateusz Czerwiński
author_sort Marta Michalska-Domańska
collection DOAJ
description In this research, we attempted to modify the bandgap of anodic titanium oxide by in situ incorporation of selected elements into the anodic titanium oxide during the titanium anodization process. The main aim of this research was to obtain photoactivity of anodic titanium oxide over a broader sunlight wavelength. The incorporation of the selected elements into the anodic titanium oxide was proved. It was shown that the bandgap values of anodic titanium oxides made at 60 V are in the visible region of sunlight. The smallest bandgap value was obtained for anodic titanium oxide modified by manganese, at 2.55 eV, which corresponds to a wavelength of 486.89 nm and blue color. Moreover, it was found that the pH of the electrolyte significantly affects the thickness of the anodic titanium oxide layer. The production of barrier oxides during the anodizing process with properties similar to coatings made by nitriding processes is reported for the first time.
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spelling doaj.art-fdd7896d4b7d44b4867410eb7bac31082023-11-17T17:03:54ZengMDPI AGMaterials1996-19442023-03-01167270710.3390/ma16072707Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during AnodizationMarta Michalska-Domańska0Katarzyna Prabucka1Mateusz Czerwiński2Institute of Optoelectronics, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, PolandInstitute of Optoelectronics, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, PolandInstitute of Optoelectronics, Military University of Technology, 2 Kaliskiego Str., 00-908 Warsaw, PolandIn this research, we attempted to modify the bandgap of anodic titanium oxide by in situ incorporation of selected elements into the anodic titanium oxide during the titanium anodization process. The main aim of this research was to obtain photoactivity of anodic titanium oxide over a broader sunlight wavelength. The incorporation of the selected elements into the anodic titanium oxide was proved. It was shown that the bandgap values of anodic titanium oxides made at 60 V are in the visible region of sunlight. The smallest bandgap value was obtained for anodic titanium oxide modified by manganese, at 2.55 eV, which corresponds to a wavelength of 486.89 nm and blue color. Moreover, it was found that the pH of the electrolyte significantly affects the thickness of the anodic titanium oxide layer. The production of barrier oxides during the anodizing process with properties similar to coatings made by nitriding processes is reported for the first time.https://www.mdpi.com/1996-1944/16/7/2707anodizationanodic titanium oxidedopingincorporation of elementsbandgap energybandgap modification
spellingShingle Marta Michalska-Domańska
Katarzyna Prabucka
Mateusz Czerwiński
Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization
Materials
anodization
anodic titanium oxide
doping
incorporation of elements
bandgap energy
bandgap modification
title Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization
title_full Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization
title_fullStr Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization
title_full_unstemmed Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization
title_short Modification of Anodic Titanium Oxide Bandgap Energy by Incorporation of Tungsten, Molybdenum, and Manganese In Situ during Anodization
title_sort modification of anodic titanium oxide bandgap energy by incorporation of tungsten molybdenum and manganese in situ during anodization
topic anodization
anodic titanium oxide
doping
incorporation of elements
bandgap energy
bandgap modification
url https://www.mdpi.com/1996-1944/16/7/2707
work_keys_str_mv AT martamichalskadomanska modificationofanodictitaniumoxidebandgapenergybyincorporationoftungstenmolybdenumandmanganeseinsituduringanodization
AT katarzynaprabucka modificationofanodictitaniumoxidebandgapenergybyincorporationoftungstenmolybdenumandmanganeseinsituduringanodization
AT mateuszczerwinski modificationofanodictitaniumoxidebandgapenergybyincorporationoftungstenmolybdenumandmanganeseinsituduringanodization