Combination of Co2+-immobilized covalent triazine framework and TiO2by covalent bonds to enhance photoreduction of CO2to CO with H2O

Ze Xu, Yao Cui, David J. Young, Jixian Wang, Hai Yan Li, Guo Qing Bian, Hong Xi Li

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Pyridine CTF (CTF-Py) grafted on the surface of NH2-functionalized TiO2 (NH2-TiO2) nanoparticles gave composite TiO2@CTF-Py covalently linking the inorganic semiconductor to the nitrogen-rich porous, conjugated and coordinating organic functionality. Co2+-modified TiO2@CTF-Py was an efficient photocatalyst for the reduction of CO2 to CO with high selectivity using water as the electron donor and without exogenous photosensitizers or a sacrificial agent. The covalent connection between the semiconductors and NNN coordination group were important for this photocatalytic activity and selectivity.

    Original languageEnglish
    Article number101561
    Pages (from-to)1-9
    Number of pages9
    JournalJournal of CO2 Utilization
    Volume49
    Early online date8 May 2021
    DOIs
    Publication statusPublished - Jul 2021

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