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- W3207595281 abstract "Abstract In this work, a simple but efficient strategy is proposed to boost the H 2 production activities of polyfluorene polyelectrolyte (PFN‐Br) through doping an anionic polyelectrolyte based on Förster resonance energy transfer strategy for the first time. In this artificial photosystem, cationic PFN‐Br is used as the energy donor and a 3,4‐dithia‐7 H ‐cyclopenta[ a ]pentalene‐based polyelectrolyte (PCP‐2F‐Li) is employed as the energy acceptor. The photoexcited fluorescence of PFN‐Br is completely quenched when the energy donor/acceptor ratio of [PFN‐Br]/[PCP‐2F‐Li] = 10:1. Moreover, the addition of a low concentration of PCP‐2F‐Li enables greater charge transport rate of polyelectrolyte blends than that of PFN‐Br. As a result, compared to single PFN‐Br (549 µmol h −1 g −1 ) and PCP‐2F‐Li (125 µmol h −1 g −1 ), the polyelectrolyte blends show a significantly higher H 2 evolution rate of 1346 µmol h −1 g −1 , which is mainly ascribed to the reduced energy loss through fluorescence and increased photoinduced charge transport during the photocatalytic process. This work highlights the rational construction of binary polymer blends as efficient method to increase photocatalytic activity of conjugated polyelectrolytes and this also provides a new opportunity for the design of multicomponent polyelectrolyte based photocatalysts." @default.
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- W3207595281 date "2021-10-05" @default.
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- W3207595281 title "Significantly Enhanced Visible‐Light H <sub>2</sub> Evolution of Polyfluorene Polyelectrolyte by Anionic Polyelectrolyte Doping" @default.
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- W3207595281 doi "https://doi.org/10.1002/macp.202100244" @default.
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