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Synthesis of Mg2Al-Cl layered double hydroxide nanosheets in a surfactant-free reverse microemulsion

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Abstract

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.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (nos. 21173135 and 21073102) and by the Specialized Research Fund for the Doctoral Program of Higher Education of China (no. 20110131130008).

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Authors and Affiliations

  1. State Key Laboratory Base of Eco-chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, People’s Republic of China

    Jie Xu, Lin Zhang, Dongxiang Li & Jikuan Zhao

  2. Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan, 250100, People’s Republic of China

    Wanguo Hou

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  1. Jie Xu
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  2. Lin Zhang
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Correspondence to Wanguo Hou.

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Xu, J., Zhang, L., Li, D. et al. Synthesis of Mg2Al-Cl layered double hydroxide nanosheets in a surfactant-free reverse microemulsion. Colloid Polym Sci 291, 2515–2521 (2013). https://doi.org/10.1007/s00396-013-2996-8

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