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Photocatalytic covalent organic frameworks (COFs) are typically constructed with rigid aromatic linkers for crystallinity and extended π-conjugation. However, the essential hydrophobicity of the aromatic backbone can limit their performances in water-based photocatalytic reactions. Here, we for the first time report the synthesis of hydrophilic COFs with aliphatic linkers tartaric acid dihydrazide (TAH) and butanedioic acid dihydrazide that can function as efficient photocatalysts for H
Xu et al. (Thu,) studied this question.