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

来源：

CATALYSIS TODAY | 1993年 / 16卷 / 3-4期

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

页码：479 / 486

页数：8

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