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Activity, and Hardness of Supported TiO2 Films on Pyrex and Soda-Lime Glass in Photocatalytic Degradation of Formic Acid for 50 Days

  • Dong Hyun Kim , Tomokazu Iyoda , Kazuhito Hashimoto and Akira Fujishima
Published/Copyright: January 26, 2017
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Abstract

Photocatalytic degradation of formic acid (HCOOH) in solution was monitored using titanium dioxide (TiO2) films supported on Pyrex and soda-lime glasses (SLG) calcined with two different calcination methods: programmed and short time (10 min) with temperature 100 and 700 °C for both methods. As the calcination temperature and duration increased, the photocatalytic activities using TiO2 films supported on SLG decreased, whereas the photocatalytic activities of TiO2 films supported on Pyrex were not much affected by calcination temperature and duration. TiO2 films supported on both Pyrex and SLG showed reduced photocatalytic activities after -50 days.

Received: 1997-3-9
Accepted: 1997-11-9
Published Online: 2017-1-26
Published in Print: 1998-6-1

© 2017 by Walter de Gruyter Berlin/Boston

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