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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Synthesis of Ag/AgCl/TiO2 Composite Plasmonic Photocatalyst
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 704-707)
Author(s): Chen Zou, School of Material Science & Engineering,Beijing University of Technology, Beijing，China
Jin-shu Wang, School of Material Science & Engineering,Beijing University of Technology, Beijing，China
Hong-yi Li, School of Material Science & Engineering,Beijing University of Technology, Beijing，China
Ke-lin Huang, Guangxi Research Institute of Chemical Industry,Nanning，China
Guo-song Sun, Guangxi Research Institute of Chemical Industry,Nanning，China
Abstract: Mesoporous TiO2 frameworks were synthesized by the sol-gel combined with evaporation-induced self-assembly (EISA) methods using F127 as the templating agent. Based on the obtained mesoporous TiO2, Ag/AgCl/mosoporous TiO2 composites were synthesized by the method of depositing AgCl and then reducing partial Ag+ ions to Ag0 under mercury lamp irradiation. SEM、XRD were used to characterize the composites, and the efficiency of photodegradating methyl orange (MO) is also investigated. The results reveal the prepared TiO2 frameworks are composed of well crystallized anatase, and AgCl can be identified as chlorargyrite. The incorporation of Ag and AgCl has not destroyed the mesoporous TiO2 frameworks. Compared with pure mesoporous TiO2, the photodegradation efficiency of the composites is almost doubled. The increase of photodegradation efficiency is attributed to surface plasmon resonance absorption of Ag.
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