Abstract
Pt nanoparticle (NP) embedded polystyrene-b-poly(4-vinylpyridine) colloids (Pt@PS-b-PVP) are prepared through flash nanoprecipitation (FNP). Uniform Pt@PS-b-PVP nanocomposites with ~5 nm Pt NPs decorating the surface on PS-b-PVP nanospheres are easily prepared with tunable size and Pt arrangement. The catalytic chromium reduction property of Pt@PS-b-PVP is tested. The hybrid colloids exhibited excellent catalytic performance as well as tunable ability dependent on the fined-controlled nanostructure. Moreover, the reported nanocomposites are reused for four times without loss of catalytic activity.
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