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  • Covalently anchoring cobalt phthalocyanine on zeolitic imidazolate frameworks for efficient carbon dioxide electroreduction

    Author(s)
    Yang, Zhongjie
    Zhang, Xiaofei
    Long, Chang
    Yan, Shuhao
    Shi, Yanan
    Han, Jianyu
    Zhang, Jing
    An, Pengfei
    Chang, Lin
    Tang, Zhiyong
    Griffith University Author(s)
    Tang, Zhiyong
    Year published
    2020
    Metadata
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    Abstract
    Transformation of CO2 into fuels has drawn great attention due to increasing carbon emission in recent years. Coupling metal–organic frameworks (MOFs) with molecular catalysts is a promising technique for boosting the efficiency of carbon dioxide capture and conversion. Herein, a CoTAPc–ZIF-90 hybrid catalyst is synthesized by decorating cobalt phthalocyanine on the outer surface of ZIF-90 through a Schiff base reaction. We demonstrate that the ZIF-90 substrate can cooperate with the cobalt active center to boost the electrocatalytic CO2 reduction performance. CoTAPc–ZIF-90 shows a large current density of 13 mA cm−2 for ...
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    Transformation of CO2 into fuels has drawn great attention due to increasing carbon emission in recent years. Coupling metal–organic frameworks (MOFs) with molecular catalysts is a promising technique for boosting the efficiency of carbon dioxide capture and conversion. Herein, a CoTAPc–ZIF-90 hybrid catalyst is synthesized by decorating cobalt phthalocyanine on the outer surface of ZIF-90 through a Schiff base reaction. We demonstrate that the ZIF-90 substrate can cooperate with the cobalt active center to boost the electrocatalytic CO2 reduction performance. CoTAPc–ZIF-90 shows a large current density of 13 mA cm−2 for effective conversion of CO2 into CO in aqueous media at an overpotential of 0.86 V with a faradaic efficiency (FE) of 90%. What's more, the CoTAPc–ZIF-90 hybrid catalyst exhibits significantly higher catalyst stability compared with the free phthalocyanine molecule.
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    Journal Title
    CrystEngComm
    Volume
    22
    Issue
    9
    DOI
    https://doi.org/10.1039/c9ce01517e
    Subject
    Inorganic chemistry
    Physical chemistry
    Materials engineering
    Science & Technology
    Physical Sciences
    Chemistry, Multidisciplinary
    Crystallography
    Publication URI
    http://hdl.handle.net/10072/395291
    Collection
    • Journal articles

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