Synthesis of Mg2Al-Cl layered double hydroxide nanosheets in a surfactant-free reverse microemulsion
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- 作者：Jie Xu (1)
Lin Zhang (1)
Dongxiang Li (1)
Jikuan Zhao (1)
Wanguo Hou (2) - 关键词：Layered double hydroxide ; Surfactant ; free microemulsion ; Nanosheets ; Basic building block
- 刊名：Colloid & Polymer Science
- 出版年：2013
- 出版时间：November 2013
- 年：2013
- 卷：291
- 期：11
- 页码：2515-2521
- 全文大小：493KB
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Lin Zhang (1)
Dongxiang Li (1)
Jikuan Zhao (1)
Wanguo Hou (2)
1. State Key Laboratory Base of Eco-chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, People鈥檚 Republic of China
2. Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan, 250100, People鈥檚 Republic of China - ISSN：1435-1536
文摘
The synthesis of Mg2Al-Cl layered double hydroxide (LDH) nanosheets in a surfactant-free reverse microemulsion is described. The microemulsion was composed of toluene, isopropanol, and an aqueous solution as the dispersed phase. An aqueous LDH nanosheet dispersion was obtained by a double-microemulsion technique. LDH nanosheets were characterized by X-ray powder diffraction, transmission electron microscopy, scanning electron microscopy, atomic force microscopy, Fourier transform infrared spectroscopy, and thermogravimetric and elemental analyses. The LDH nanosheets consisted of a single brucite layer without any loading of organic molecules. To the best of our knowledge, this is the first report of a naked LDH monolayer aqueous dispersion being directly obtained. The LDH monolayers can be used as building blocks for LDH-based functional materials.