Synthesis of mesostructured lamellar aluminophosphates using supramolecular templates

被引：131

作者：

Sayari, A ^{[1
]}

Moudrakovski, I ^{[1
]}

Reddy, JS ^{[1
]}

Ratcliffe, CI ^{[1
]}

Ripmeester, JA ^{[1
]}

Preston, KF ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA, STEACIE INST MOL SCI, OTTAWA, ON K1A 0R6, CANADA

来源：

CHEMISTRY OF MATERIALS | 1996年 / 8卷 / 08期

关键词：

D O I：

10.1021/cm960029v

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：

The liquid-crystal templating approach for the synthesis of mesostructured materials was extended to aluminophosphates. A variety of lamellar AlPO4 phases with d spacings in the nanometer range were prepared in the presence of long-chain primary and tertiary amines. A systematic study of the influence of the gel composition was carried out. AlPO4 materials were characterized by various techniques including XRD, TEM, electron diffraction, and Al-27, P-31, N-15, and C-13 NMR. The gel composition has a drastic influence on the nature of the product formed and on the coordination of aluminum and phosphorus in the final ''crystalline'' phase. These lamellar AlPO4 phases were not stable under calcination conditions and the templating surfactant could not be removed by solvent extraction.

引用

页码：2080 / 2088

页数：9

共 80 条

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