Tuning the stability of CaCO3 crystals with magnesium ions for the formation of aragonite thin films on organic polymer templates

Fangjie Zhu; Tatsuya Nishimura; Takeshi Sakamoto; Hidekazu Tomono; Hiroki Nada; Yasushi Okumura; Hirotsugu Kikuchi; Takashi Kato

doi:10.1002/asia.201300745

Tuning the stability of CaCO₃ crystals with magnesium ions for the formation of aragonite thin films on organic polymer templates

Fangjie Zhu, Tatsuya Nishimura, Takeshi Sakamoto, Hidekazu Tomono, Hiroki Nada, Yasushi Okumura, Hirotsugu Kikuchi, Takashi Kato

Department of Integrated Materials

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

Thin-film growth of aragonite CaCO₃ on annealed poly(vinyl alcohol) (PVA) matrices is induced by adding Mg²⁺ into a supersaturated solution of CaCO₃. Both the growth rate and surface morphology of the aragonite thin films depend upon the concentration of Mg ²⁺ in the mineralization solution. In the absence of PVA matrices, no thin films are formed, despite the presence of Mg²⁺. Molecular dynamics simulation of the CaCO₃ precursor suggests that the transition of amorphous calcium carbonate to crystals is suppressed in the presence of Mg²⁺. The role for ionic additives in the crystallization of CaCO₃ on organic templates obtained in this study may provide useful information for the development of functional hybrid materials.

Original language	English
Pages (from-to)	3002-3009
Number of pages	8
Journal	Chemistry - An Asian Journal
Volume	8
Issue number	12
DOIs	https://doi.org/10.1002/asia.201300745
Publication status	Published - Dec 2013

All Science Journal Classification (ASJC) codes

Biochemistry
Organic Chemistry

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10.1002/asia.201300745

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abstract = "Thin-film growth of aragonite CaCO3 on annealed poly(vinyl alcohol) (PVA) matrices is induced by adding Mg2+ into a supersaturated solution of CaCO3. Both the growth rate and surface morphology of the aragonite thin films depend upon the concentration of Mg 2+ in the mineralization solution. In the absence of PVA matrices, no thin films are formed, despite the presence of Mg2+. Molecular dynamics simulation of the CaCO3 precursor suggests that the transition of amorphous calcium carbonate to crystals is suppressed in the presence of Mg2+. The role for ionic additives in the crystallization of CaCO3 on organic templates obtained in this study may provide useful information for the development of functional hybrid materials.",

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AU - Zhu, Fangjie

AU - Nishimura, Tatsuya

AU - Sakamoto, Takeshi

AU - Tomono, Hidekazu

AU - Nada, Hiroki

AU - Okumura, Yasushi

AU - Kikuchi, Hirotsugu

AU - Kato, Takashi

PY - 2013/12

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AB - Thin-film growth of aragonite CaCO3 on annealed poly(vinyl alcohol) (PVA) matrices is induced by adding Mg2+ into a supersaturated solution of CaCO3. Both the growth rate and surface morphology of the aragonite thin films depend upon the concentration of Mg 2+ in the mineralization solution. In the absence of PVA matrices, no thin films are formed, despite the presence of Mg2+. Molecular dynamics simulation of the CaCO3 precursor suggests that the transition of amorphous calcium carbonate to crystals is suppressed in the presence of Mg2+. The role for ionic additives in the crystallization of CaCO3 on organic templates obtained in this study may provide useful information for the development of functional hybrid materials.

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Tuning the stability of CaCO₃ crystals with magnesium ions for the formation of aragonite thin films on organic polymer templates

Abstract

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