Aragonite Nanorod Arrays through Molecular Controlled Growth on Single-Crystalline Substrate and Polysaccharide Surface

Monami Suzuki, Yuya Oaki, Hiroaki Imai

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We produced bunched aragonite nanorods through crystal growth controlled by an acidic polysaccharide, alginate, in a supersaturated solution. The highly ordered arrays of c-axis-elongated aragonite nanorods ∼100 nm in diameter were grown on the (001) surface of a single-crystalline aragonite substrate with specific adsorption of the soluble polysaccharide. Freestanding films consisting of ordered aragonite nanorods were obtained by using an insoluble polysaccharide, anhydrous chitosan, as a template for nucleation of the metastable phase. The orientation of the ordered rods in the films was improved by repetition of the crystal growth. Parallel control of the polymorphism, orientation, and morphology by molecular controlled crystal growth provides biomimetic hierarchical architectures of the metastable calcium carbonate crystals.

Original languageEnglish
Pages (from-to)3741-3747
Number of pages7
JournalCrystal Growth and Design
Volume16
Issue number7
DOIs
Publication statusPublished - 2016 Jul 6

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aragonite
Calcium Carbonate
polysaccharides
Polysaccharides
Nanorods
Crystal growth
nanorods
Crystalline materials
crystal growth
Crystallization
Substrates
Metastable phases
Alginate
Biomimetics
Calcium carbonate
Polymorphism
Chitosan
Crystal orientation
calcium carbonates
biomimetics

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Aragonite Nanorod Arrays through Molecular Controlled Growth on Single-Crystalline Substrate and Polysaccharide Surface. / Suzuki, Monami; Oaki, Yuya; Imai, Hiroaki.

In: Crystal Growth and Design, Vol. 16, No. 7, 06.07.2016, p. 3741-3747.

Research output: Contribution to journalArticle

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