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A simple method was proposed for preparing aggregates of Pd nanoparticles on graphene oxide (GO) by mixing of palladium acetate and GO modified with polyhedral oligomeric silsesquioxane (POSS) (POSS-modified GO) in methanol. Spherical aggregates of Pd nanoparticles with a diameter 10–30 nm were densely produced on the surface of POSS-modified GO. POSS-modified GO was synthesized by the ionic interactions...
Spherical bridged polysilsesquioxane (BPS) particles with sulfonic groups (BPS–SO3−) were prepared by the subsequent reduction and oxidation of BPS with disulfide groups (BPS–S–S) after the hydrolysis and condensation reaction of silane monomers with disulfide groups under ammonia and alcoholic solutions. Spherical aggregates of Pd nanoparticles (Pd–polyhedral oligomeric silsesquioxanes, Pd–POSS)...
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