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- W4224256417 abstract "Highly efficient hydrogen evolution reactions carried out via photocatalysis using solar light remain a formidable challenge. Herein, perylenetetracarboxylic acid nanosheets with a monolayer thickness of ~1.5 nm were synthesized and shown to be active hydrogen evolution photocatalysts with production rates of 118.9 mmol g-1 h-1. The carboxyl groups increased the intensity of the internal electric fields of perylenetetracarboxylic acid from the perylene center to the carboxyl border by 10.3 times to promote charge-carrier separation. The photogenerated electrons and holes migrated to the edge and plane, respectively, to weaken charge-carrier recombination. Moreover, the perylenetetracarboxylic acid reduction potential increases from -0.47 V to -1.13 V due to the decreased molecular conjugation and enhances the reduction ability. In addition, the carboxyl groups created hydrophilic sites. This work provides a strategy to engineer the molecular structures of future efficient photocatalysts." @default.
- W4224256417 created "2022-04-26" @default.
- W4224256417 creator A5004939901 @default.
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- W4224256417 date "2022-04-19" @default.
- W4224256417 modified "2023-10-15" @default.
- W4224256417 title "Perylenetetracarboxylic acid nanosheets with internal electric fields and anisotropic charge migration for photocatalytic hydrogen evolution" @default.
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- W4224256417 doi "https://doi.org/10.1038/s41467-022-29826-z" @default.
- W4224256417 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35440732" @default.
- W4224256417 hasPublicationYear "2022" @default.
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