Abstract
High-quality (Pd cube)@(Pt helix) core@shell nanoparticles, with a novel spiral-structured shell and highly-ordered tangential channels are successfully fabricated through a facile wet chemistry method with the help of N,N-dimethyloctadecyl ammonium bromide acetate sodium (OTAB-Na). A bottom-up synthesis strategy provides accurate control of layers by simply changing the molar ratio of Pt/Pd with a uniform layer thickness of 2 nm maintained in all (1-3)-rounds samples. The irregular Pt superstructures of the shells, and sophisticated core@shell hybrid materials endow the as-produced samples with highly enhanced catalytic properties, when evaluated for hydrogenation of nitrobenzene as a probe reaction.
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