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Decoupling particle...
Decoupling particle formation from intraparticle ordering in mesostructured silica colloids
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- Sundblom, Andreas, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Oliveira, C. L. P. (author)
- Universidade de Sao Paulo (USP),University of Sao Paulo (USP),Århus Universitet,Aarhus University
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- Pedersen, J. S. (author)
- Århus Universitet,Aarhus University
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- Palmqvist, Anders, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2011
- 2011
- English.
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In: Microporous and Mesoporous Materials. - : Elsevier BV. - 1387-1811. ; 145:1-3, s. 59-64
- Related links:
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http://dx.doi.org/10...
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Abstract
Subject headings
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- A synthesis methodology that decouples the formation of silica particles from their internal mesoordering has been developed. This was possible by employing synthesis conditions that combine fast nucleation and growth of particles with slow silica condensation. The synthesis developed is based on an inorganic silica source and the nonionic block copolymer Pluronic P123 using a synthesis pH of 3 and conditions that result in a stable colloidal suspension. Using a two-step procedure the particles can be first formed and then triggered into developing an ordered internal mesostructure by subsequent addition of silica or Pluronic. This is possible because under the conditions employed the particles are stabilized by relatively weak interactions before the formation of a stable silica network. (C) 2011 Elsevier Inc. All rights reserved.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- x-ray-scattering
- Mesoporous silica
- initial-stages
- suspensions
- mesoporous silica
- SBA-15
- copolymer
- ovencher sw
- p229
- Inorganic silica source
- Formation mechanism
- 1982
- v27
- triblock
- synthesis
- formation mechanism
- sba-15
- Colloidal particles
Publication and Content Type
- art (subject category)
- ref (subject category)
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