Fabrication of Titanium dioxide nanotube photo-electrodes in different electrolyte mixtures and the impacts on their characteristics and photo-catalytic abilities under visible light

• Autorzy: Liu M-T. , Zhang J. , Wang B.

Identyfikatory

DOI

10.1515/pjct-2017-0005

• Języki publikacji: EN

Abstrakty

EN

TiO₂  nanotube arrays were fabricated using electrochemical anodization of titanium foils, where different types of electrolytes were tested to determine conceptual choice for nanotubes fabrication. These electrolytes are 1M (NH₄)₂SO₄  containing 0.5% wt NH₄F, 1M Na₂SO₄  containing 0.5% wt NH₄F, 1M NaF containing 0.5% wt (NH₄)₂SO₄  and a mixture of water: ethylene glycol 1:9 containing 0.5% wt NH₄F. The foils were marked as EG type (Ethylene Glycol), AS type (Ammonium sulfate), SS type (sodium sulfate) and SF type (sodium fluoride). The photocatalytic capabilities and characterization of the fabricated NTAs were analyzed using SEM, XRD, and DRS. The degradation ratio of designated organic pollutants (Rhodamine B) was analyzed. The obtained results have proven that foils fabricated using Ethylene glycol have significant photocatalytic abilities, with a degradation ratio of EG-SS-SF-AS types being 80% to 85%, 70% to 80%, 70% to 75% and 52% to 55%, respectively.

Słowa kluczowe

EN

TiO2; anodizing; electrolytes; Nanotube arrays; photo-catalysis; water pollution; water treatments; Rhodamine B

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2017
• Tom: Vol. 19, nr 1
• Strony: 34--40
• Opis fizyczny: Bibliogr. 35 poz., rys., tab.

Twórcy

autor

Liu M-T.

• School of Municipal and Environmental Engineering, Harbin Institute of Technology, State Key Laboratory of Urban Water Resource and Environment, 150090 Harbin, China

autor

Zhang J.

• School of Municipal and Environmental Engineering, Harbin Institute of Technology, State Key Laboratory of Urban Water Resource and Environment, 150090 Harbin, China

autor

Wang B.

• School of Municipal and Environmental Engineering, Harbin Institute of Technology, State Key Laboratory of Urban Water Resource and Environment, 150090 Harbin, China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).