Rhenium-functionalized covalent organic framework photocatalyst for efficient CO 2 reduction under visible light

Shu Ying Li, Shuang Meng, Xiaoqin Zou*, Mohamad El-Roz, Igor Telegeev, Oumaima Thili, Terence Xiaoteng Liu, Guangshan Zhu

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    103 Citations (Scopus)
    44 Downloads (Pure)

    Abstract

    The conversion of carbon dioxide (CO 2 ) into value-added chemicals under photochemical conditions has attracted increasing attention in recent years. One of the great challenges is to develop novel active catalysts under visible light irradiation with sustained lifetime and high activity. In this regard, herein, we report a highly efficient, stable and recyclable photocatalyst by embedding photoactive rhenium complex (Re(CO) 5 Cl) into porous, crystalline, bipyridine-based covalent organic frameworks (COFs). The rhenium post-metallated COFs exhibits salient photocatalytic activity towards CO 2 reduction into CO under visible light. The quantity of the CO produced on Re-functionalized COFs is twice higher than that produced on the famous Re(bpy)(CO) 3 Cl (bpy = 2,2′-bipyridine) molecular photocatalyst under similar reaction conditions.

    Original languageEnglish
    Pages (from-to)195-201
    Number of pages7
    JournalMicroporous and Mesoporous Materials
    Volume285
    Early online date14 May 2019
    DOIs
    Publication statusPublished - 1 Sept 2019

    Keywords

    • 2D covalent organic framework
    • CO reduction
    • Molecular catalysis
    • Photocatalysis
    • Rhenium functionalization

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