Object's details: Dataset for publication_ Int J Mol Sci 2024 25(16) 8824 funded by the National Science Centre, Poland (grant number 2023/07/X/ST5/01519) MINIATURA7

Provider:Repozytorium Uniwersytetu Łódzkiego

Description

Title:
Dataset for publication_ Int J Mol Sci 2024 25(16) 8824 funded by the National Science Centre, Poland (grant number 2023/07/X/ST5/01519) MINIATURA7
Creator:
Kisielewska, Aneta;
Shakeel, Nasir;
Piwoński, Ireneusz;
Krzywiecki, Maciej;
Batory, Damian;
Cichomski, Michał
Contributor:
University of Lodz, Faculty of Chemistry, Department of Materials Technology and Chemistry;
Silesian University of Technology, Institute of Physics—CSE, Department of Applied Physics;
Lodz University of Technology, Faculty of Mechanical Engineering, Department of Vehicles and Fundamentals of Machine Design;
aneta.kisielewska@chemia.uni.lodz.pl;
nasir.shakeel@edu.uni.lodz.pl;
ireneusz.piwonski@chemia.uni.lodz.pl;
maciej.krzywiecki@polsl.pl;
michal.cichomski@chemia.uni.lodz.pl
Description:
This study aims to improve the photocatalytic properties of titanium dioxide nanorods (TNRs) and other related nanostructures (dense nanorods, needle-like nanorods, nanoballs, and nanoflowers) by modifying them with silver nanoparticles (AgNPs). This preparation is carried out using a two-step method: sol–gel dip-coating deposition combined with hydrothermal crystal growth. Further modification with AgNPs was achieved through the photoreduction of Ag+ ions under UV illumination. The investigation explores the impact of different growth factors on the morphological development of TiO2 nanostructures by modulating (i) the chemical composition, the water:acid ratio, (ii) the precursor concentration involved in the hydrothermal process, and (iii) the duration of the hydrothermal reaction. Morphological characteristics, including the length, diameter, and nanorod density of the nanostructures, were analyzed using scanning electron microscope (SEM). The chemical states were determined through use of the X-ray photoelectron spectroscopy (XPS) technique, while phase composition and crystalline structure analysis was performed using the Grazing Incidence X-ray Diffraction (GIXRD) method. The results indicate that various nanostructures (dense nanorods, needle-like nanorods, nanoballs, and nanoflowers) can be obtained by modifying these parameters. The photocatalytic efficiency of these nanostructures and Ag-coated nanostructures was assessed by measuring the degradation of the organic dye rhodamine B (RhB) under both ultraviolet (UV) irradiation and visible light. The results clearly show that UV light causes the RhB solution to lose its color, whereas under visible light RhB changes into rhodamine 110, indicating a successful photocatalytic transformation. The nanoball-like structures’ modification with the active metal silver (TNRs 4 Ag) exhibited high photocatalytic efficiency under both ultraviolet (UV) and visible light for different chemical composition parameters. The nanorod structure (TNRs 2 Ag) is more efficient under UV, but under visible-light photocatalyst, the TNRs 6 Ag (dense nanorods) sample is more effective.;
National Science Centre, Poland (grant number 2023/07/X/ST5/01519)
Object availability:
free access
Rights:
Uznanie autorstwa 4.0 Międzynarodowe;
http://creativecommons.org/licenses/by/4.0
Date:
2025.03.20;
2024
Type:
Dataset
Language:
English
Format:
application/octet-stream
Publisher:
MDPI
Relation:
International Journal o f Molecular Sciences;16;
25
Subject:
titanium dioxide nanorods;
silver nanoparticles;
photocatalysis;
nanomaterials;
morphology
Identifier:
Shakeel, N.; Piwonski, I.; Kisielewska, A.; Krzywiecki, M.; Batory, D.; Cichomski, M. Morphology-Dependent Photocatalytic Activity of Nanostructured Titanium Dioxide Coatings with Silver Nanoparticles. Int. J. Mol. Sci. 2024, 25, 8824. https://doi.org/10.3390/ijms25168824;
http://hdl.handle.net/11089/55053 ;
10.3390/ijms25168824
Data provider:
Repozytorium Uniwersytetu Łódzkiego

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