Abstract
AbstractAn environmentally friendly and economically efficient method has been developed to synthesize monodisperse CeO2‐ZrO2 solid solution nanocrystals. In this process, the formation of oleate‐stabilized Ce0.5Zr0.5O2 nanocrystals was designed to proceed through hydrolytic sol–gel condensation of metal–oleate precursors in an aqueous solution and subsequent hydrothermal growth at 200 °C for 6 h. The results showed that the 3.0‐nm‐sized nanocrystals possess a metastable CeO2‐ZrO2 tetragonal phase with well‐designed chemical composition and are nearly monodisperse. Owing to the uniform textural and elemental properties, the products exhibit relatively high thermal stability of the metastable phase and well‐defined reduction properties.(© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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