Helicalization of Covalent Organic Framework Nanofibers with Amplified Spin Polarizability for Boosting Photocatalytic Hydrogen Evolution.

Qi Zhong, Yongtu Tian, Yutao Sang, Changchun Wang, Jia Guo

Abstract read

In one paragraph

Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Qi ZhongState Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, P. R. China.

Yongtu TianState Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, P. R. China.

Yutao SangState Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, P. R. China.ORCID https://orcid.org/0000-0003-1170-7362

Changchun WangState Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, P. R. China.

Jia GuoState Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, P. R. China.ORCID https://orcid.org/0000-0003-4869-9992

Funding

NSFC 52173197NSFC 52373202NSFC 52573223

6 · The paper itself

Abstract

Given that chirality can induce spin polarization via the chirality-induced spin selectivity (CISS) effect, integrating conformational chirality into covalent organic frameworks (COFs) can offer a route to harness CISS for long-range spin-polarized charge transfer in crystalline materials. However, achieving both high crystallinity and strong chirality in COFs remains challenging. Here, we report a noncovalent chirality transfer strategy to modulate helical assembly of 2D COF nanofibers from achiral building blocks. The chiral solvent (R/S)-3-chloro-1,2-propanediol triggers a stacking deviation of bipyridine modules via hydrogen bonding and halogen bonding, leading to chirality transfer and steering helical growth. The resulting COF features global conformational chirality, helically intertwined morphology and high crystallinity. In photocatalytic hydrogen evolution, the helical COF achieves a H

Indexed as

chiral‐induced spin selectivitycovalent organic frameworkshelical chiralityphotocatalysis hydrogen evolution

Identifiers

PMID41933914

DOI10.1002/advs.75127

PMCPMC13317581

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LicenceCC BY

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