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Issue 39, 2006
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Exfoliating layered double hydroxides in formamide: a method to obtain positively charged nanosheets

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Abstract

Exfoliation of layered double hydroxides (LDHs) into single layers provides a new type of nanosheet with ultimate two-dimensional anisotropy and positive charge. In this Highlight article, we briefly review the latest advances in this emerging field. In comparison with the previous studies, we show that micrometer-sized and well-defined LDH nanosheets can be readily attained by synthesizing large crystals of LDH-carbonate via so-called homogeneous precipitation and subsequent exfoliation of the nitrate form in formamide. Some general aspects including the exfoliating process and characterization, a plausible delaminating mechanism, and future challenges, are presented and discussed.

Graphical abstract: Exfoliating layered double hydroxides in formamide: a method to obtain positively charged nanosheets

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Publication details

The article was received on 18 Apr 2006, accepted on 11 Jul 2006 and first published on 21 Jul 2006


Article type: Highlight
DOI: 10.1039/B605422F
J. Mater. Chem., 2006,16, 3809-3813

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    Exfoliating layered double hydroxides in formamide: a method to obtain positively charged nanosheets

    R. Ma, Z. Liu, L. Li, N. Iyi and T. Sasaki, J. Mater. Chem., 2006, 16, 3809
    DOI: 10.1039/B605422F

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