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https://hdl.handle.net/2440/101397
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Type: | Journal article |
Title: | Temperature matters: an infrared spectroscopic investigation on the photocatalytic efficiency of titania coatings |
Author: | Falcaro, P. Zaccariello, G. Stoyanova, V. Benedetti, A. Costacurta, S. |
Citation: | Science of Advanced Materials, 2014; 6(7):1330-1337 |
Publisher: | American Scientific Publishers |
Issue Date: | 2014 |
ISSN: | 1947-2935 1947-2943 |
Statement of Responsibility: | Paolo Falcaro, Gloria Zaccariello, Vanya Stoyanova, Alvise Benedetti, Stefano Costacurta |
Abstract: | Titania is one of the most studied photocatalytic materials for self-cleaning applications. To maximize the photocatalytic efficiency, different strategies are currently under investigation, such as control of the nano- or microstructure, optimization of the crystalline phase and addition of doping agents. A parameter too often neglected is temperature, which dramatically affects the self-cleaning processes in thin titanium dioxide (TiO2) films. In this study, we prepared a titania coating using the sol–gel route. Stearic acid and a triblock copolymer (Pluronic F127) were used as model pollutants. A dedicated heating cell was used to precisely control the temperature. The infrared spectroscopy was used to follow the amount of residual pollutant agents within 60 minutes every 10 °C. The photocatalytic reaction rate was calculated for the stearic acid in the 25–60 °C range |
Keywords: | Photocatalysis; Self-cleaning; Sol-gel; Temperature; Titania |
Rights: | Website © 2016 Ingenta. Article copyright remains with the publisher, society or author(s) as specified within the article. |
DOI: | 10.1166/sam.2014.1840 |
Grant ID: | http://purl.org/au-research/grants/arc/DE120102451 |
Published version: | http://dx.doi.org/10.1166/sam.2014.1840 |
Appears in Collections: | Aurora harvest 7 Chemistry and Physics publications |
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