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- W1963984249 abstract "Effective photocatalytic systems are constructed by using a semiconducting and chelating π-conjugated poly(2,2‘-bipyridine-5,5‘-diyl) (PBpy) and Pt compounds. A photoreaction catalyzed by a mixture of PBpy and [Pt(bpy)2](NO3)2 evolves H2 corresponding to a large turnover number (H2/[Pt(bpy)2]2+) of 490 in an aqueous solution of NEt3. Colorimetry and X-ray fluorometry (EDX) analysis reveal that added [Pt(bpy)2]2+ releases one bpy ligand, and coordinatively unsaturated [Pt(bpy)]2+ thus formed is fixed on the surface of particles of PBpy. PBpy bearing the Pt(bpy) complex maintains its catalytic activity in repeated photocatalytic reactions. The PBpy catalyst is also active for photoevolution of H2 from an aqueous solution containing disodium ethylenediaminetetraacetate as the sacrificial reagent. X-ray photoelectron spectroscopy analysis indicates that Pt fixed on PBpy is in an electronic state similar to that of Pt fixed by TiO2." @default.
- W1963984249 created "2016-06-24" @default.
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- W1963984249 date "1997-05-01" @default.
- W1963984249 modified "2023-10-15" @default.
- W1963984249 title "Effective Photocatalytic System Based on Chelating π-Conjugated Poly(2,2‘-bipyridine-5,5‘-diyl) and Platinum for Photoevolution of H<sub>2</sub> from Aqueous Media and Spectroscopic Analysis of the Catalyst" @default.
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- W1963984249 doi "https://doi.org/10.1021/jp963973n" @default.
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