期刊
MATERIALS TRANSACTIONS
卷 44, 期 8, 页码 1620-1623出版社
JAPAN INST METALS
DOI: 10.2320/matertrans.44.1620
关键词
photodegradation; methylene blue; photocatalytic reaction; pyrochlore-related; ceria; zirconia
The photocatalytic degradation of methylene blue aqueous solution sensitized by a pyrochlore-related K-CeZrO4 phase was investigated under irradiation with Xe discharge light. The optical absorbance of the solution was first decreased smoothly, and then retention was observed in several hours due to the formation of a new absorption peak. The absorbance spectrum resembled that of thionine. The present study confirms that the photocatalytic reaction sensitized by K-CeZrO4 was different from that by TiO2.
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