Porous mesostructured zirconium oxophosphate with cubic (Ia(3)over-bard) symmetry

被引：41

作者：

Kleitz, F

Thomson, SJ

Liu, Z

Terasaki, O

Schüth, F

机构：

[1] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany

[2] Japan Sci & Technol Corp, CREST, Sendai, Miyagi 980, Japan

[3] Tohoku Univ, Dept Phys, Sendai, Miyagi 980, Japan

来源：

CHEMISTRY OF MATERIALS | 2002年 / 14卷 / 10期

关键词：

6;

D O I：

10.1021/cm021128d

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：

We report the synthesis and characterization of a mesoporous zirconium oxophosphate with a cubic Ia (3) over bard symmetry. The ordered porous material was obtained by supramolecular self-assembly of a specific cationic surfactant combined with zirconium sulfate as inorganic precursor. A systematic investigation of the effects of initial reagent ratios and synthesis procedures is reported. Both the as-prepared and the template-free cubic porous zirconium oxophosphate materials were characterized by X-ray diffraction and transmission electron microscopy. The template-free material was additionally characterized by N-2 sorption. The removal of the template was studied by thermogravimetry/differential thermal analysis coupled with mass spectrometry and in situ high-temperature XRD. In addition, pyridine sorption-FTIR experiments were performed to evaluate the Lewis and Bronsted acidity.

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页码：4134 / 4144

页数：11

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