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Issue 11, 2015
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Liquid-crystalline calcium carbonate: biomimetic synthesis and alignment of nanorod calcite

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Abstract

Liquid-crystalline CaCO3 has been prepared for the first time. The nanorods of CaCO3 calcite are obtained by bio-inspired crystallization through aqueous colloidal precursors of amorphous CaCO3 stabilized by poly(acrylic acid). The synthesized calcite nanocrystals have well-tuned morphologies that are preferable for formation of liquid-crystalline phases in concentrated aqueous colloidal solution. The one-dimensional alignment of calcite crystals is achieved by mechanical shearing of the aqueous colloidal solution showing liquid-crystalline phases. These CaCO3-based liquid crystals formed by a self-organization process in mild conditions may have great potential for use as environmentally friendly materials.

Graphical abstract: Liquid-crystalline calcium carbonate: biomimetic synthesis and alignment of nanorod calcite

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Publication details

The article was received on 20 May 2015, accepted on 11 Aug 2015 and first published on 12 Aug 2015


Article type: Edge Article
DOI: 10.1039/C5SC01820J
Citation: Chem. Sci., 2015,6, 6230-6234
  • Open access: Creative Commons BY license
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    Liquid-crystalline calcium carbonate: biomimetic synthesis and alignment of nanorod calcite

    M. Nakayama, S. Kajiyama, T. Nishimura and T. Kato, Chem. Sci., 2015, 6, 6230
    DOI: 10.1039/C5SC01820J

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