Influence of an Electronic Structure of N-TiO2 on Its Photocatalytic Activity towards Decomposition of Acetaldehyde under UV and Fluorescent Lamps Irradiation

Tryba, Beata; Wozniak, Magdalena; Zolnierkiewicz, Grzegorz; Guskos, Nikos; Morawski, Antoni; Colbeau-Justin, Christophe; Wrobel, Rafal; Nitta, Akio; Ohtani, Bunsho

Influence of an Electronic Structure of N-TiO2 on Its Photocatalytic Activity towards Decomposition of Acetaldehyde under UV and Fluorescent Lamps Irradiation

Tryba, Beata; Wozniak, Magdalena; Zolnierkiewicz, Grzegorz et al.

Catalysts, 2018, 8(2), 85

Permalink : https://hdl.handle.net/2115/70215

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アクセス権	open access
URI	https://hdl.handle.net/2115/70215
タイトル	Influence of an Electronic Structure of N-TiO2 on Its Photocatalytic Activity towards Decomposition of Acetaldehyde under UV and Fluorescent Lamps Irradiation
著者	Tryba, Beata ; Wozniak, Magdalena ; Zolnierkiewicz, Grzegorz ; Guskos, Nikos ; Morawski, Antoni ; Colbeau-Justin, Christophe ; Wrobel, Rafal ; Nitta, Akio ; Ohtani, Bunsho
著者名 Tryba, Beata
著者名 Wozniak, Magdalena
著者名 Zolnierkiewicz, Grzegorz
著者名 Guskos, Nikos
著者名 Morawski, Antoni
著者名 Colbeau-Justin, Christophe
著者名 Wrobel, Rafal
著者名 Nitta, Akio
e-Rad_Researcher 80176924 著者名 Ohtani, Bunsho
言語	英語
キーワード	N-TiO2
	sol-gel
	Electronic Paramagnetic Resonance (EPR)
	electron-trap distribution
	photocatalytic properties
発行日	2018-02
出版者	MDPI
収録物名	Catalysts
巻(号)	8(2)
ページ	85
抄録	The electronic structure of N-TiO2 samples prepared by a sol-gel method was investigated by EPR (Electronic Paramagnetic Resonance) measurements and the energy-resolved distribution of electron traps. In EPR spectra, some of the resonance lines assigned to paramagnetic species of nitrogen and Ti3+ were detected. Sample prepared at 300 degrees C revealed the highest intensity line of the nitrogen paramagnetic centers, whereas that prepared at 400 degrees C showed a paramagnetic line for Ti3+. Measurements of the electron trap distribution showed higher density of electron traps for sample prepared at 400 degrees C than that at 300 degrees C. Sample prepared at 300 degrees C, which revealed the highest amount of nitrogen built in the titania in the interstitial position was the most active under visible light. It was evidenced that photocatalytic decomposition of acetaldehyde was dependent strongly on the BET surface area and electrokinetic potential of the photocatalyst surface. The UV content in the fluorescent lamp affected the yield of acetaldehyde decomposition.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 4.0 International
権利情報	© 2018 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/).
PISSN	2073-4344
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.3390/catal8020085