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- W4224282241 abstract "Abstract Photocatalytic water splitting is attracting considerable interest because it enables abundant solar energy to be converted into hydrogen for use as a zero-emission fuel or chemical feedstock. Herein, we present a universal approach for inserting hydrophilic non-conjugated building blocks into the main-chain of conjugated polymers to produce a series of discontinuously conjugated polymer (DCP) photocatalysts. Water can effectively be brought into the interior of DCPs through these hydrophilic non-conjugated building blocks, resulting in effective water/polymer interfaces inside the bulk DCPs in both thin-film and solution. P-10HEG with 10 mol% ethylene glycol-based hydrophilic building blocks achieved a record high apparent quantum yield of 17.82% under 460 nm monochromatic light irradiation in solution and an excellent hydrogen evolution rate of 16.8 mmol m − 2 h − 1 in thin-film. Molecular dynamics simulation shows a trend similar to that in experiments, which confirms that main-chain engineering increases the possibility of a water-DCP interaction. Unlike the previous strategy of maintaining a long conjugation length, our approach results in DCP photocatalysts with an interrupted conjugation length that remains efficient photocatalysis." @default.
- W4224282241 created "2022-04-26" @default.
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- W4224282241 date "2022-04-18" @default.
- W4224282241 modified "2023-09-26" @default.
- W4224282241 title "Boosting visible-light-driven hydrogen evolution of polymer photocatalysts by a universal main-chain-engineering strategy of hydrophilic non-conjugated building blocks" @default.
- W4224282241 doi "https://doi.org/10.21203/rs.3.rs-1548164/v1" @default.
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