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Synthesis of Titanium Dioxide via Surfactant-Assisted Microwave Method for Photocatalytic and Dye-Sensitized Solar Cells Applications
Abstract
In this study, titania nanoparticles were obtained using the microwave-assisted technique. Moreover, different surfactants (PEG (Mn = 400), Pluronic P123 and Triton X−100) were used during the synthesis in order to determine their impact on the crystallinity and morphology of the final products. Subsequently, techniques such as XRD, SEM and TEM (performed in high contrast and high-resolution mode), diffuse reflectance spectroscopy (DRS), low temperature N2 sorption (BET model), FTIR and TGA were carried out. Based on the crystallinity analysis of the obtained materials, it was established that the addition of surfactants results in greater (PEG and Triton X−100) or smaller (Pluronic P123) average crystallite size. The main purpose of this study was to use the synthesized nanomaterials in the photodegradation process (in the UV light range) of the model organic pollutants – phenol (20 mg/L) and etodolac (15 mg/L). Furthermore, it was also pointed out that the dye-sensitized solar cells can be a second application for the synthesized titania nanomaterials. The photo-oxidation and photovoltaic tests have shown that the titanium dioxide obtained using the surfactant-assisted microwave method is characterized not only by better photodegradation efficiency of phenol and etodolac, but also by higher photocurrent density compared to the reference titania samples—the pristine TiO2 and commercial P25.
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Authors (10)
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Adam Kubiak
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Aleksandra Bartkowiak
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Elżbieta Gabała
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Adam Piasecki
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Maciej Zalas
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Marcin Janczarek
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Katarzyna Siwińska-Ciesielczyk dr hab. inż.
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Teofil Jesionowski
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Catalysts
no. 10,
ISSN: 2073-4344 - Language:
- English
- Publication year:
- 2020
- Bibliographic description:
- Kubiak A., Bielan Z., Bartkowiak A., Gabała E., Piasecki A., Zalas M., Zielińska-Jurek A., Janczarek M., Siwińska-Ciesielczyk K., Jesionowski T.: Synthesis of Titanium Dioxide via Surfactant-Assisted Microwave Method for Photocatalytic and Dye-Sensitized Solar Cells Applications// Catalysts -Vol. 10,iss. 5 (2020), s.586-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/catal10050586
- Verified by:
- Gdańsk University of Technology
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