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Yingyin Mo

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Polarized dislocation covalent organic frameworks ignite hot electrons to propel photocatalytic hydrogen generation

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By Can Huang, RuiQi Gao, Rongchen Shen, Guijie Liang, Peng Zhang, Xin Li Verified, Qihua Yang, Yingyin Mo
| Nature Verified
Abstract Covalent organic frameworks are promising photocatalysts for H2 generation; however, their efficiency is limited by energy dissipation arising from hot electron loss and carrier recombination. In this work, we introduce interlayer dislocation and polarization in covalent organic frameworks to extend hot electron lifetime to 37.1 ± 2.0 ps, activating a photocatalytic H2 generation rate of 429.4 ± 3.7 mmol g−1 h−1 and apparent quantum yield of 85 ± 1% at 420 nm.
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