SrCO3 crystals of ribbonlike morphology grown within thermally evaporated sodium bis-2-ethylhexylsulfosuccinate thin films

Rautaray, Debabrata ; Sainkar, S. R. ; Sastry, Murali (2003) SrCO3 crystals of ribbonlike morphology grown within thermally evaporated sodium bis-2-ethylhexylsulfosuccinate thin films Langmuir, 19 (3). pp. 888-892. ISSN 0743-7463

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Official URL: http://pubs.acs.org/doi/abs/10.1021/la026486%2B

Related URL: http://dx.doi.org/10.1021/la026486+

Abstract

In this paper we demonstrate the crystallization of strontium carbonate in the form of thin sheets/ribbons within thermally evaporated sodium bis-2-ethylhexylsulfosuccinate (aerosol OT, AOT) thin films by a process of Sr2+ ion entrapment followed by reaction with CO32− ions within the lipid matrix. The morphology of the strontianite crystals is observed to be strongly dependent on the nature of the lipid used in the ion entrapment process; stearic acid thin films result in the formation of the more commonly observed strontianite needles arranged in flowerlike assemblies. Contact angle measurements of the strontianite-AOT films indicated that they were hydrophobic, thus pointing to the possible role of hydrophobic interactions between the AOT-monolayer-covered strontianite crystals in modulating the crystal morphology.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:47097
Deposited On:06 Jul 2011 14:13
Last Modified:06 Jul 2011 14:13

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