Rapid, efficient phase pure synthesis of Ca2AlNO3 layered double hydroxide

被引：14

作者：

Yang, Miaosen ^{[1
]}

Tuckley, Emma ^{[1
]}

Buffet, Jean-Charles ^{[1
]}

O'Hare, Dermot ^{[1
]}

机构：

[1] Univ Oxford, Dept Chem, Chem Res Lab, Oxford OX1 3TA, England

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 02期

关键词：

HYDROCALUMITE; INTERCALATION; HYDROTALCITE; TRANSESTERIFICATION; CATALYSTS; CHEMISTRY; SULFATE; CEMENT; CLAYS; ROUTE;

D O I：

10.1039/c5ta08562d

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：

Phase pure Ca2AlNO3-LDH nanoplatelets have been successfully synthesised by rapid mixing and precipitation from water in air using a colloidal mill. The as prepared nanoplatelets have an average particle size of 250 nm (by TEM) compared to 2.4 mm via conventional coprecipitation. The Ca2AlNO3-LDH nanoplatelet suspensions are not stable, and age post synthesis. TEM data showed that the particles increase in size from 250 to 705 nm after 4 weeks at 8 degrees C. TEM data also revealed that storage at lower temperatures (-20 degrees C) significantly slows platelet growth. Aqueous suspensions of Ca2AlNO3-LDH nanoplates slowly decompose at room temperature.

引用

页码：500 / 504

页数：5

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