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Orienting the N-atom of imine bonds towards the acceptor in covalent organic frameworks induces local charge polarization and delocalization, which improves exciton dissociation, charge separation, and photocatalytic hydrogen evolution. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

November 20, 2023Open Access

Inducing local charge polarization by constructing isomeric covalent organic frameworks with different orientations of imine bonds for enhancing photocatalytic hydrogen evolution

HHHuan HeHunan Normal University RSRongchen ShenSouth China Agricultural University PZPeng ZhangHarbin University of Science and Technology

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Abstract

The N-atom orientation of imine bonds towards the acceptor in COFs may induce local charge polarization and delocalization, which could fundamentally improve the exciton dissociation and charge separation, thus achieving the promoted photocatalytic H 2 evolution.

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