Mesostructured gallium oxides templated by dodecyl sulfate assemblies

被引：23

作者：

Yada, M ^{[1
]}

Takenaka, H ^{[1
]}

Machida, M ^{[1
]}

Kijima, T ^{[1
]}

机构：

[1] Miyazaki Univ, Fac Engn, Dept Mat Sci, Miyazaki 88921, Japan

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1998年 / 10期

关键词：

D O I：

10.1039/a708890f

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A gallium-based dodecyl sulfate mesophase with a hexagonal structure was synthesized by the homogeneous precipitation method using urea. The hexagonal phase has a unit-cell parameter a of 4.4 nm and appears as winding-rod shaped particles with hexagonal-shaped transverse surfaces. On removal of the incorporated surfactants by chemical or thermal treatment the mesophase structure collapses. On calcination at 700 degrees C or above it is totally converted into normal gallium oxide particles keeping the as-grown morphology. Precipitation in the presence of both dodecyl sulfate and lauryl (dodecyl) alcohol leads to the formation of a layered structure with an interlayer spacing of 4.0 nm which is so stable as to hamper the transition from layer to hexagonal structure.

引用

页码：1547 / 1550

页数：4

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