Probing the dynamics of template-directed calcite crystallization with in situ FTIR

Dong June Ahn, Amir Berman, Deborah Charych

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Organic template-directed mineralization of calcite crystals has been probed in situ by external reflection-absorption FTIR spectroscopy in an effort to understand the dynamics of the organic-inorganic interface during crystal growth. The main focus is to elucidate structural changes that may occur in the organic template as crystal growth progresses. The nucleation face types of calcite were visually identified according to known crystal morphologies and by the corresponding carbonate stretching and deformation vibrational bands. Structural reorganization occurring in the organic template could be observed by intensity variations and frequency shifts in the methylene stretching bands of octadecanoic acid, octadecyl sulfate, and acidic polydiacetylenic lipid film. These organic templates nucleated calcite at the (010), (001), and (012) planes, respectively. The surfactant thin films uniquely adapt themselves in order to optimize the geometrical and stereochemical fit to the growing calcite crystals.

Original languageEnglish
Pages (from-to)12455-12461
Number of pages7
JournalJournal of Physical Chemistry
Volume100
Issue number30
Publication statusPublished - 1996 Jul 25

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Calcium Carbonate
Calcite
Crystallization
calcite
templates
crystallization
Crystal growth
Crystals
Stretching
crystal growth
crystal morphology
Carbonates
Absorption spectroscopy
methylene
Surface-Active Agents
Lipids
Sulfates
frequency shift
crystals
lipids

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Engineering(all)

Cite this

Probing the dynamics of template-directed calcite crystallization with in situ FTIR. / Ahn, Dong June; Berman, Amir; Charych, Deborah.

In: Journal of Physical Chemistry, Vol. 100, No. 30, 25.07.1996, p. 12455-12461.

Research output: Contribution to journalArticle

Ahn, Dong June ; Berman, Amir ; Charych, Deborah. / Probing the dynamics of template-directed calcite crystallization with in situ FTIR. In: Journal of Physical Chemistry. 1996 ; Vol. 100, No. 30. pp. 12455-12461.
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