Article

Hybrid Organic-Inorganic Colloids with a Core-Corona Structure: A Transmission Electron Microscopy Investigation

  1. Nicolas Sanson1,
  2. Jean-Luc Putaux2,
  3. Mathias Destarac3,
  4. Corine Gérardin1,
  5. François Fajula1

Article first published online: 20 JUN 2005

DOI: 10.1002/masy.200550825

Issue

Macromolecular Symposia

Macromolecular Symposia

Special Issue: Polymer Chemistry, Reactions and Processes

Volume 226, Issue 1, pages 279–288, May 2005

Additional Information

How to Cite

Sanson, N., Putaux, J.-L., Destarac, M., Gérardin, C. and Fajula, F. (2005), Hybrid Organic-Inorganic Colloids with a Core-Corona Structure: A Transmission Electron Microscopy Investigation. Macromol. Symp., 226: 279–288. doi: 10.1002/masy.200550825

Author Information

  1. 1

    Laboratoire de Matériaux Catalytiques et Catalyse en Chimie Organique, UMR 5618 CNRS-ENSCM-UM1, Institut C. Gerhardt FR 1878, 8 Rue de L'Ecole Normale, 34296 Montpellier Cedex 5, France

  2. 2

    Centre de Recherches sur les Macromolécules Végétales, ICMG-CNRS, BP 53, 38041 Grenoble cedex 9, France

  3. 3

    Rhodia Recherche et Développement, 52 Rue de la Haie Coq, 93308 Aubervilliers Cedex, France

Publication History

  1. Issue published online: 20 JUN 2005
  2. Article first published online: 20 JUN 2005

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Keywords:

  • cryo-TEM;
  • hybrid colloids;
  • nanoparticles;
  • polyion complex micelles;
  • transmission electron microscopy

Abstract

The present paper describes a simple route to prepare organic-inorganic colloids with a core-corona structure. Colloids are obtained by complexation of multivalent metal cations by anionic-neutral double hydrophilic block copolymers leading to hybrid polyion complex micelles. The hybrid colloids can then be mineralized in suspension by performing hydrolysis of metal cations within the micelles. The present study focuses on the structural characterization of the colloidal complexes and of the mineralized nanoparticles using a combination of transmission electron microscopy (TEM) techniques including conventional bright-field imaging (with and without negative staining) and cryo-TEM observations. It is shown that the different types of TEM observations are complementary and necessary to get a complete picture of the core-corona colloids.

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