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  • Title: Nanoengineering of iron oxide and iron oxide/silica hollow spheres by sequential layering combined with a sol-gel process.
    Author: Dai Z, Meiser F, Möhwald H.
    Journal: J Colloid Interface Sci; 2005 Aug 01; 288(1):298-300. PubMed ID: 15927590.
    Abstract:
    Fe2O3 and Fe2O3/SiO2 hollow spheres with tailored dimensions and compositions were created by consecutively coating polystyrene (PS) latices either with Fe3+ alternately adsorbed with Nafion or combining a sol-gel process based on the hydrolysis of tetraethoxysilane (TEOS), and subsequently removing the cores upon pyrolysis.
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