Hostname: page-component-76fb5796d-5g6vh Total loading time: 0 Render date: 2024-04-25T07:55:16.617Z Has data issue: false hasContentIssue false
  • English
  • Français

Mineralization of water-in-oil emulsion droplets

Published online by Cambridge University Press:  01 February 2011

Giulia Fornasieri ,
Stéphane Badaire ,
Rénal Vasco Backov ,
Philippe Poulin ,
Cécile Zakri  and
Olivier Mondain-Monval
Giulia Fornasieri
Affiliation:
Centre de Recherche Paul Pascal - CNRS, Avenue Albert Schweitzer, 33600 Pessac, Francemondain@crpp-bordeaux.cnrs.fr
Stéphane Badaire
Affiliation:
Centre de Recherche Paul Pascal - CNRS, Avenue Albert Schweitzer, 33600 Pessac, Francemondain@crpp-bordeaux.cnrs.fr
Rénal Vasco Backov
Affiliation:
Centre de Recherche Paul Pascal - CNRS, Avenue Albert Schweitzer, 33600 Pessac, Francemondain@crpp-bordeaux.cnrs.fr
Philippe Poulin
Affiliation:
Centre de Recherche Paul Pascal - CNRS, Avenue Albert Schweitzer, 33600 Pessac, Francemondain@crpp-bordeaux.cnrs.fr
Cécile Zakri
Affiliation:
Centre de Recherche Paul Pascal - CNRS, Avenue Albert Schweitzer, 33600 Pessac, Francemondain@crpp-bordeaux.cnrs.fr
Olivier Mondain-Monval
Affiliation:
Centre de Recherche Paul Pascal - CNRS, Avenue Albert Schweitzer, 33600 Pessac, Francemondain@crpp-bordeaux.cnrs.fr
Get access

Extract

Using reverse emulsion systems, we were able to trigger mineralization confined at an oil-water interface. In this process, the alcoxide silica precursor is dissolved in the oil continuous phase of the emulsion and diffuses through the bulk to the interface where it starts to hydrolyze and condense as soon as a certain concentration threshold is attained. The process takes place only in the presence of a water soluble surfactant inside the droplet. This surfactant leads to the presence of a controlled mesoporosity inside the silica shells. The obtained objects could be used in different encapsulation applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 847: Symposium EE – Organic/Inorganic Hybrid Materials , 2004 , EE3.5
Copyright
Copyright © Materials Research Society 2005

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

[1] Kresge, C.T., Leonowicz, M.E., Roth, W.J., Vartuli, J.C., Beck, J.S, Nature 1992, 359, 710.Google Scholar
[2] a) Beck, J.S., Vartuli, J.C., Roth, W.J., Leonowicz, M.E., Kresge, C.T., Scmidt, K.D., Chu, C.T-W., Olson, D.H., Sheppard, E.W., McCullen, S.B., Higgins, J.B., Schlenker, J.L., J. Am. Chem. Soc 1992, 114, 10834.Google Scholar
b) Melosh, N.A., Davidson, P., Chmelka, B.F., J. Am. Chem. Soc 2000, 122, 823.Google Scholar
c) Monnier, A., Schüth, F., Huo, Q., Kumar, D., Margolese, D., Maxwell, R.S., Stucky, G.D., Krishnamurty, M., Petroff, P., Firouzi, A., Janicke, M., Shmelka, B.F. Science 1993, 261, 1299.Google Scholar
d) Firouzi, A., Kumar, D., Bull, L.M., Besier, T., Sieger, P., Huo, Q., Zasadzinski, J.A., Glinka, C., Nicol, J., Margolese, D., Stuky, G.D., Chmelka, B.F., Science 1995, 267, 1138.Google Scholar
[3] Yang, H., Coombs, N., Ozin, G.A. Nature, 1997, 386, 692.Google Scholar
[4] a) Mann, S. Nature 1988, 332, 119.Google Scholar
b) Addabi, L., Weiner, S. Angew. Chem., Int. Ed. Engl. 1992, 31, 153.Google Scholar
c) Krampitz, G., Grazer, G. Angew. Chem., Int. Ed. Engl. 1988, 27, 1145.Google Scholar
d) Raz, S., Weiner, S., Addabi, L. Adv. Mater 2000, 12, 38.Google Scholar
e) Heywood, B.R., Mann, S. Adv. Mater. 1994, 6, 9.Google Scholar
f) Mann, S., Angew. Chem., Int. Ed. Engl. 2000, 39, 3392.Google Scholar
g) Feng, P., Bu, X., stucky, G.D., Pine, D.J. J. Am. Chem. Soc. 2000, 5, 994.Google Scholar
h) Jun, G.-R., Moon, J.H., Manoharan, V.T., Pine, D.J., yang, S.-M., J. Am. Chem. Soc. 2002, 45, 13354.Google Scholar
[5] Yang, H., Kuperman, A., Coombs, N., Mamiche-Arafa, S., Ozin, G.A., Nature, 1996, 379, 703.Google Scholar
[6] Brown, A.S., Holt, S.A., Dam, T., Trau, M., White, J.W. Langmuir, 1997, 13, 6363.Google Scholar
[7] Schacht, S., Huo, Q., Voigt-Martin, I.G., Stucky, G.D., Schüth, F., Science, 1996, 273, 768.Google Scholar
[8] a) “Modern Aspects of Emulsion Science”, Ed. by Binks, P., The Royal Society of Chemistry, Cambridge (1998).Google Scholar
b) Bancroft, W.D., J. Phys. Chem, 1913, 17, 501.Google Scholar
[9] Fornasieri, G., Badaire, S., Backov, R., Mondain-Monval, O., Zakri, C., Poulin, P., Advanced Materials 2004, 16, 1095 Google Scholar
[10] Brinker, C. J., Scherer, G. W., Sol-Gel Science: the Physics and Chemistry of Sol-Gel Processing, Academic Press, San Diego 1990, Ch. 3Google Scholar
[11] Mondain-Monval, O., Gulik, T., Dedieu, J.C., Poulin, P., The European Physical Journal B 1999, 12, 167 Google Scholar
[12] Montagne, F., Mondain-Monval, O., Pichot, C., Mozzanega, H., Elaïssari, A., Journal of Magnetism and Magnetic Materials 2002, 250, 302 Google Scholar