Heteroatom-substituted microporous gallium phosphates

被引：33

作者：

Chippindale, AM ^{[1
]}

Cowley, AR ^{[1
]}

机构：

[1] Chem Crystallog Lab, Oxford OX1 3PD, England

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 1998年 / 21卷 / 4-6期

基金：

英国工程与自然科学研究理事会;

关键词：

transition-metal gallium phosphate; open framework; microporous; solvothermal synthesis; crystal structure;

D O I：

10.1016/S1387-1811(98)00012-2

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

New crystalline open-framework materials with both novel and zeolitic framework topologies have been prepared by incorporating transition-metal ions into gallium-phosphate frameworks. The 'MeGaPOs' are synthesised under predominantly nonaqueous conditions by crystallisation of reactive GaPO gels containing an additional framework element (Me=Mn, Fe, Co or Zn) and a cyclic organic amine (imidazole, pyridine, pyrrolidine, DABCO or quinuclidine). The gels are heated for 7 days in autoclaves under autogeneous pressure at temperatures in the range 160-180 degrees C. Under these synthetic conditions, MeGaPOs have been prepared with the LAU (Me = Mn, Fe, Co, Zn), GIS (Me = Co, Zn) and SOD (Me = Co, Zn) zeolite framework structures as well as three new topologies, CoGaPO-5 (CGF), CoGaPO-6 (CGS) and MnGaPO-2. (C) 1998 Elsevier Science B.V. All rights reserved.

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页码：271 / 279

页数：9

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