Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/4368
Title: Effect of lanthanum doping on structural, optical, and photocatalytic properties of YVO4
Authors: Karacaoglu, Erkul
Altıntaş Yıldırım, Özlem
Öztürk, Teoman
Gül, Mert
Keywords: Solid-state reaction method
YVO4:& nbsp;La3+
Methylene blue
Dye removal
Photocatalytic
Photoluminescence
Luminescence Properties
Methylene-Blue
Yvo4ln(3+) Ln
Waste-Water
Nanoparticles
Photoluminescence
Degradation
Eu
Nanocrystals
Sm3+
Issue Date: 2023
Publisher: Springer Heidelberg
Abstract: In this study, we report the solid-state reaction synthesis of yttrium vanadate (YVO4)-based undoped and lanthanum (La)-doped powders. The photocatalytic performances, structural, morphological, and optical analyzes are presented. The X-ray diffraction analysis of samples indicates the crystalline tetragonal type crystal structure of YVO4 and no other lanthanum related impurity and/or secondary phases were detected. Photoluminescence analysis of samples show combined white light emission peaks that appeared at 478, 571 and 613 nm. To examine the photocatalytic activities, the degradation of methylene blue (MB) dye was monitored in the presence of these photocatalysts under the ultraviolet light irradiation. Pseudo-first-order reaction rate constant (k) of YVO4:La3+ (0.00846 min(-1)) is determined 66% greater than undoped one (0.00287 min(-1)). These results are compatible with the absorption spectra, as the energy band gap of the undoped photocatalyst was 3.8 eV while that of the doped one decreased to 3.54 eV.
URI: https://doi.org/10.1557/s43578-023-01077-8
https://hdl.handle.net/20.500.13091/4368
ISSN: 0884-2914
2044-5326
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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