Spin‐Polarized Chiral ZnIn <sub>2</sub> S <sub>4</sub> for Targeted Solar‐Driven CO <sub>2</sub> Reduction to Acetic Acid

ABSTRACT Acetic acid represents a pivotal target for CO 2 reduction due to its dual function as a carbon‐utilization product and industrial feedstock. However, photocatalytic CO 2 reduction (PCCR) to acetic acid typically suffers from low acetic acid yields and selectivity, constrained by competing reactions from ethanol and inefficient C–C coupling. Herein, we report a chiral mesostructured ZnIn 2 S 4 (CMZI) photocatalyst that achieves a remarkable acetic acid yield of 962 µmol g −1 h −1 with a high selectivity of 97.3%. This performance stems from synergistic chirality‐induced spin polarization and sulfur site catalysis. Spin polarization stabilizes the triplet OCCO intermediate to enhance C–C coupling, while sulfur sites on ZnIn 2 S 4 {102} facets thermodynamically and kinetically favor acetic acid formation. This work offers critical insights into catalytic strategies of the efficient synthesis of high‐value multicarbon products and expanding the variety of synthetic products from CO 2 reduction.

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Publication Details

Journal
Angewandte Chemie
Published
2026-04-11
DOI
https://doi.org/10.1002/ange.3091087
Primary Topic
CO2 Reduction Techniques and Catalysts
Type
article
Field-Weighted Citation Impact
0.00

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article

Spin‐Polarized Chiral ZnIn 2 S 4 for Targeted Solar‐Driven CO 2 Reduction to Acetic Acid

Yongping Cui, Lili Yu, Aokun Liu, Xue‐Qing Gong et al.
Angewandte Chemie
CO2 Reduction Techniques and Catalysts
article

Spin‐Polarized Chiral ZnIn 2 S 4 for Targeted Solar‐Driven CO 2 Reduction to Acetic Acid

Yongping Cui, Lili Yu, Aokun Liu, Xue‐Qing Gong, Zhiqiang Wang, Yuxi Fang, Yuanbo Li, Jinquan Chen, Wanning Zhang, Lu Han, Xueli Wang
article en

Abstract

ABSTRACT Acetic acid represents a pivotal target for CO 2 reduction due to its dual function as a carbon‐utilization product and industrial feedstock. However, photocatalytic CO 2 reduction (PCCR) to acetic acid typically suffers from low acetic acid yields and selectivity, constrained by competing reactions from ethanol and inefficient C–C coupling. Herein, we report a chiral mesostructured ZnIn 2 S 4 (CMZI) photocatalyst that achieves a remarkable acetic acid yield of 962 µmol g −1 h −1 with a high selectivity of 97.3%. This performance stems from synergistic chirality‐induced spin polarization and sulfur site catalysis. Spin polarization stabilizes the triplet OCCO intermediate to enhance C–C coupling, while sulfur sites on ZnIn 2 S 4 {102} facets thermodynamically and kinetically favor acetic acid formation. This work offers critical insights into catalytic strategies of the efficient synthesis of high‐value multicarbon products and expanding the variety of synthetic products from CO 2 reduction.

Angewandte ChemieVol. 138(20)
Tongji University (CN), University of Science and Technology of China (CN), East China University of Science and Technology (CN), Shanghai Jiao Tong University (CN), Chinese Academy of Sciences (CN), Hefei Institutes of Physical Science (CN), Sehenstar Energy Technology (China) (CN), High Magnetic Field Laboratory (CN), Shanghai Advanced Research Institute (CN), Shanghai Institute of Organic Chemistry (CN), Suzhou Research Institute (CN), East China Normal University (CN)
Natural Science Foundation of Shanghai, National Natural Science Foundation of China
Openalex Percentile: Top 38%
CO2 Reduction Techniques and Catalysts
DOISourceOpenAlex
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