Journal
APPLIED CATALYSIS A-GENERAL
Volume 552, Issue -, Pages 70-76Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2018.01.002
Keywords
Photocatalytic oxidation; Bimetallic Au-Ru/rGO; 2,5-Diformylfuran; 5-Hydroxymethyfurfural; Fructose
Categories
Funding
- NSFC [21473232, 21403270, 21673271, 21403275]
- SKLCC [2016BWZ005]
- YIPA of CAS [2013115]
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The photocatalytic conversion of biomass to renewable fuels and chemicals is significant for the sustainable development of energy resources. Herein we report that bimetallic Au-Ru nanoparticles supported on reduced graphene oxides (rGO) exhibit excellent photocatalytic performances for the synthesis of 2,5-diformylfuran (DFF) from partial oxidation of 5-hydroxymethyfurfural (HMF) or one-pot conversion of fructose in the absence of any bases, and the yield of DFF can reach as high as 91% and 86%, respectively. Comparing with rGO-supported monometallic Au or Ru catalysts, the Au-Ru/rGO catalyst shows higher photocatalytic activity due to the transfer of photo-excited electrons from Ru to Au nanoparticles through the conductive graphene support. Since the Au-Ru/rGO catalyst can utilize abundant solar energy, avoid the usage of bases and demonstrate high selectivity and good reusability, the present work provides a green, economical and efficient synthetic route for DFF production.
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