Synthesize of Cu2O-CuO/Sr3BiO5.4 and its photocatalytic activity
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AbstractA visible-light-driven photocatalyst, Cu2O-CuO/Sr3BiO5.4, was synthesized by the precipitation method using a new acidic system with basic ethylenediamine tetraacetic acid disodium salt (Na(2)EDTA) as the buffer reagent. Part of Cu2O was formed on the surface of Sr3BiO5.4 in situ during the calcination. 5.4 log inactivation of Escherichia coli K-12 and 27% degradation of naphthalene were achieved in 3 and 2 h, respectively, under the visible light irradiation provided by fluorescent lamps. The results of this study suggested that Cu2O-CuO on the surface of Sr3BiO5.4 is stable and can effectively promote the visible light photocatalytic activity of Sr3BiO5.4.
All Author(s) ListZhao W, Wong KH, Hu C, Yu JC, Chan CY, Qi T, Wong PK
Journal nameApplied Surface Science
Year2012
Month6
Day1
Volume Number258
Issue Number16
PublisherElsevier
Pages5955 - 5959
ISSN0169-4332
eISSN1873-5584
LanguagesEnglish-United Kingdom
KeywordsCopper, Degradation, Disinfection, Photocatalysts, Visible light
Web of Science Subject CategoriesChemistry; Chemistry, Physical; CHEMISTRY, PHYSICAL; Materials Science; Materials Science, Coatings & Films; MATERIALS SCIENCE, COATINGS & FILMS; Physics; Physics, Applied; PHYSICS, APPLIED; Physics, Condensed Matter; PHYSICS, CONDENSED MATTER

Last updated on 2020-02-08 at 01:07