Journal
JOURNAL OF CRYSTAL GROWTH
Volume 306, Issue 1, Pages 152-158Publisher
ELSEVIER
DOI: 10.1016/j.jcrysgro.2007.03.060
Keywords
growth from solutions; barium carbonate composite; biomorphs; organic silica; strontium carbonate composite
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We explore the use of tetraethoxysilane (TEOS) as a silica source for the formation of carbon ate-silica composite materials known as 'biomorphs'. The basic hydrolysis of TEOS furnishes silica in a controllable fashion, allowing a significantly higher reproducibility of the obtained silica-barium and silica-strontium carbonate co-precipitates compared to commercial water glass silica used so far. We further discuss the influence of ethanol used as a co-solvent on the morphologies of biomorphs, which are examined by optical microscopy, field emission scanning electron microscopy (FESEM) and energy dispersive X-ray analysis (EDX). (c) 2007 Elsevier B.V. All rights reserved.
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