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Issue 66, 2016, Issue in Progress
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1D oriented attachment of calcite nanocrystals: formation of single-crystalline rods through collision

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Abstract

The oriented attachment of calcite, which is a main component of biominerals, was experimentally demonstrated in an aqueous system at ambient temperatures. Calcite nanoblocks ∼50 nm in size were prepared by carbonation of Ca(OH)2. One-dimensional (1D) alignment of the calcite nanoblocks was induced at ambient temperatures under a basic condition (pH ∼ 12), and single-crystalline rods over 1 µm were then formed through elongation in the c direction. The oriented attachment of the nanoscale building blocks was enhanced by increasing the collision frequency with stirring of the system, but was halted under a neutral pH condition with further carbonation. The controllable non-classical growth mode of calcium carbonate nanocrystals would provide significant information for biogenic and biomimetic mineralization in aqueous solutions.

Graphical abstract: 1D oriented attachment of calcite nanocrystals: formation of single-crystalline rods through collision

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Publication details

The article was received on 12 Apr 2016, accepted on 14 Jun 2016 and first published on 27 Jun 2016


Article type: Communication
DOI: 10.1039/C6RA09452J
RSC Adv., 2016,6, 61346-61350
  • Open access: Creative Commons BY license
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    1D oriented attachment of calcite nanocrystals: formation of single-crystalline rods through collision

    M. Takasaki, Y. Kimura, T. Yamazaki, Y. Oaki and H. Imai, RSC Adv., 2016, 6, 61346
    DOI: 10.1039/C6RA09452J

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