Journal
CHEMPLUSCHEM
Volume 84, Issue 8, Pages 1164-1168Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201900360
Keywords
graphitic carbon nitride; palladium; photocatalysis; nanostructures; Suzuki coupling
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Funding
- Fundamental Research Funds for the Central Universities [GK201902001] Funding Source: Medline
- National Natural Science Foundation of China [B14041, 61775129] Funding Source: Medline
- Funded Projects for the Academic Leaders and Academic Backbones of Shaanxi Normal University [18QNGG008] Funding Source: Medline
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Suzuki coupling is of paramount importance in C-C coupling reactions. However, Suzuki coupling reactions are generally catalyzed by homogeneous catalysts under thermal heating, which results in difficulties in the catalyst separation and consumes a relatively large amount of energy. g-C3N4/Pd has been successfully prepared for photocatalytic Suzuki coupling reactions. The g-C3N4/Pd is prepared through the reduction of a Pd source in the presence of g-C3N4. The Pd is found to exist as Pd nanoparticles and Pd(II) species on g-C3N4. Owing to the good light absorption of g-C3N4 and the excellent catalytic activity of the Pd species, the g-C3N4/Pd shows an excellent photocatalytic performance in Suzuki coupling reactions with a TOF of 47.3 h(-1), which is almost twice that of a commercial homogeneous catalyst Pd(PPh3)(4), under thermal heating. Moreover, g-C3N4/Pd displays very good recyclability and wide applicability for Suzuki coupling reactions. Our findings provide a green and sustainable method for the catalysis of Suzuki coupling reactions.
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