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TiO2SiO2 Composite Films Immobilized on Foam Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde
Joint Authors
Hu, Hai
Shi, Jianwei
Xiao, Wenjun
Yuan, Jian
Shangguan, Wenfeng
Source
International Journal of Photoenergy
Issue
Vol. 2008, Issue 2008 (31 Dec. 2008), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2008-02-07
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
The photocatalyst anatase titanium dioxide (TiO2) films were immobilized via sol-gel technique on foam nickel modified with SiO2 films as transition layer (indicated as TiO2/SiO2 films).
The structural properties of TiO2/SiO2 composite films were characterized using TG-DSC, XRD, FE-SEM, and BET.
The photocatalytic activities of immobilized TiO2/SiO2 films were tested through photocatalytic degradation reactions of gaseous acetaldehyde under ultraviolet (UV) light irradiation.
The substrate modification with transition layer of SiO2 films improved the specific surface area (SSA) of substrate and the acetaldehyde adsorption on photocatalyst film enormously and resulted in great enhancement of photocatalytic activity and stability.
The degradation ratio of gaseous acetaldehyde (concentration of 100 ppmv) on TiO2/SiO2 photocatalysts reached 100% after 100 minutes of irradiation.
The photocatalytic activity of TiO2/SiO2 films reduced about 15% after 9 consecutive runs, which was more stable than that of TiO2 films, and was completely recovered after heating at 300°C for 1 hour.
American Psychological Association (APA)
Hu, Hai& Xiao, Wenjun& Yuan, Jian& Shi, Jianwei& Shangguan, Wenfeng. 2008. TiO2SiO2 Composite Films Immobilized on Foam Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde. International Journal of Photoenergy،Vol. 2008, no. 2008, pp.1-8.
https://search.emarefa.net/detail/BIM-987942
Modern Language Association (MLA)
Hu, Hai…[et al.]. TiO2SiO2 Composite Films Immobilized on Foam Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde. International Journal of Photoenergy No. 2008 (2008), pp.1-8.
https://search.emarefa.net/detail/BIM-987942
American Medical Association (AMA)
Hu, Hai& Xiao, Wenjun& Yuan, Jian& Shi, Jianwei& Shangguan, Wenfeng. TiO2SiO2 Composite Films Immobilized on Foam Nickel Substrate for the Photocatalytic Degradation of Gaseous Acetaldehyde. International Journal of Photoenergy. 2008. Vol. 2008, no. 2008, pp.1-8.
https://search.emarefa.net/detail/BIM-987942
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-987942