Plasmonic Heating-Promoted Photothermal Synthesis of alpha-Cyanoacrylonitriles Over Au/h-BN Catalysts

Front Chem. 2021 Sep 8;9:732162. doi: 10.3389/fchem.2021.732162. eCollection 2021.

ABSTRACT

Plasmonic nanoparticle-involved materials play an essential role in the field of photothermal conversion. Herein, we report the application of photothermal heterogeneous catalysts consisting of gold nanoparticles decorated on defect-rich h-BN sheets (Au/h-BN) for the photocatalytic synthesis of α-cyanoacrylonitriles under mild conditions. It has been demonstrated the-NH2 groups present in the defect-rich h-BN act as the catalytically active sites, while plasmonic heating from the gold nanoparticles can drive the reaction by providing local heat. Au/h-BN catalyst can work for a broad substrate scope in the synthesis of α-cyanoacrylonitriles, and a plausible -NH2 group-involved reaction mechanism has been proposed. This work may open up new avenues in photothermal catalysis by combining plasmonic materials and catalytic sites in one system.

PMID:34568280 | PMC:PMC8455885 | DOI:10.3389/fchem.2021.732162

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