Abstract

AOT reverse micelles make possible the in situ synthesis of very small particles of CdS. The use of functional surfactants (such as cadmium lauryl sulfate or cadmium AOT) allows, by blocking one of the reactants at the interface of the micelles, semiconductor colloids to be obtained that are more stable and smaller than those obtained from ions solubilized in the water pool of the reverse micelle. A comparative study of the different conditions of synthesis is presented to optimize the production of very small aggregates without having to use a protecting agent. The behavior of these semiconductors with respect to photocorrosion is studied.

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