Sol-gel synthesis of monolithic molybdenum oxide aerogels and xerogels

被引：49

作者：

Dong, W ^{[1
]}

Dunn, B ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1998年 / 8卷 / 03期

关键词：

D O I：

10.1039/a706537j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Monolithic molybdenum trioxide aerogels and xerogels have been synthesized by the sol-gel method. A three-dimensional molybdenum oxide network is achieved by suppressing Mo=O bond formation through a ligand exchange process. IR spectroscopy is used to characterize the bond formations during gelation, aging, and drying of the gels. The as-prepared aerogels are low density (0.15-0.30 g cm(-3)) amorphous materials with surface areas of 150-180 m(2) g(-1). Upon heating to 400 degrees C, the amorphous solids crystallize to orthorhombic MoO3.

引用

页码：665 / 670

页数：6

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