Synthesis of Zr-containing SBA-15 with Hollow Spherical Morphology

被引：2

作者：

Liang, Dong ^{[1
]}

Chen, Jianjian ^{[1
]}

Wang, Yan ^{[1
]}

Liu, Jianhong ^{[1
]}

Li, Ruifeng ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan 030024, Peoples R China

来源：

CHEMISTRY LETTERS | 2009年 / 38卷 / 07期

基金：

美国国家科学基金会;

关键词：

MESOPOROUS SILICA; PHASE-SEPARATION; PORE STRUCTURE; CATALYSTS; SPHERES; COPOLYMER; ZIRCONIA; TRIBLOCK;

D O I：

10.1246/cl.2009.672

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Zr-containing SBA-15 materials with hollow spherical morphology were synthesized via adding zirconium into SBA-15 synthesis solution and adjusting pH to about 4-5 with ammonia water. The hollow spherical mesoporous materials were observed in micron scale, and the shell thickness was about 100 nanometers. Zirconium was well dispersed inside the mesoporous structure. The sulfated hollow Zr-doped SBA-15 spheres showed better catalytic activity than conventional SBA-15 spheres in dehydration reactions.

引用

页码：672 / 673

页数：2

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