期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 11, 期 8, 页码 4261-4271出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ta09799k
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We present two viologen-based metal-organic frameworks (M-VOF, where M = Co and Ni) as ideal platforms for photocatalytic CO2 reduction. Co-VOF exhibits a high CO evolution rate of 458.66 μmol g(-1) h(-1) under light irradiation, while Ni-VOF provides a CO evolution rate of 52.33 μmol g(-1) h(-1) with superior durability. Experimental studies reveal that the viologen-based frameworks play an important role in the transfer and separation of charge carriers in the catalytic system.
The light-triggered CO2 catalytic reduction process of high efficiency is highly desirable but challenging. Herein, we present two viologen-based metal-organic frameworks (M-VOF, where M = Co and Ni) as ideal platforms for photocatalytic CO2 reduction. Co-VOF exhibits a high CO evolution rate of 458.66 mu mol g(-1) h(-1) under light irradiation, while Ni-VOF provides a CO evolution rate of 52.33 mu mol g(-1) h(-1) with superior durability. Experimental studies reveal that the viologen-based frameworks play an important role in the transfer and separation of the charge carriers in the catalytic system. This work provides not only a superior Co-VOF catalyst but also promotes in-depth insight into the structure-activity relationships toward the activation and photoreduction of CO2.
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