ION-EXCHANGEABLE LAYERED NIOBATES AS PHOTOCATALYSTS

被引:58
作者
DOMEN, K [1 ]
EBINA, Y [1 ]
SEKINE, T [1 ]
TANAKA, A [1 ]
KONDO, J [1 ]
HIROSE, C [1 ]
机构
[1] NIKON CO,SAGAMIHARA 228,JAPAN
关键词
D O I
10.1016/0920-5861(93)80088-I
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Silica pillared-niobates were prepared from a, so called, layered perovskite, KCa2Nb3O10, by using alkylammonium ions as swelling reagents. A product with the interlayer spacing expanded by ca. 1.2 nm and the BET surface area of ca. 200 m2/g was obtained when an octylammonium intercalated precursor was used. The photocatalytic activities of these silica pillared-niobates were compared with those of the original KCa2Nb3O10 and the proton-exchanged derivative. It was revealed that silica pillared-niobates showed a high and characteristic photocatalytic activity.
引用
收藏
页码:479 / 486
页数:8
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