Journal
GREEN ENERGY & ENVIRONMENT
Volume 6, Issue 5, Pages 715-724Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.gee.2020.07.004
Keywords
Biomass; Graphitic carbon nitride; Green chemistry; Hydrogenation; Photocatalysis
Categories
Funding
- National Natural Science Foundation of China [U1810111, 21676089]
- Natural Science Foundation of Guangdong Province, China [2018B030311010]
- Youth Science and Technology Innovation Talent of Guangdong TeZhi Plan [2019TQ05L111]
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Zhejiang University [2018BCE002]
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The plasmonic photocatalyst Pd/g-C3N4 shows excellent catalytic activity in the photo-induced hydrogenation of biomass-based aldehydes under visible-light irradiation. The Pd atom is identified as the true catalytic active site, and the photo-promoted reduction mainly occurs through the effect of surface plasmon resonance induced by noble metal nanoparticles.
The plasmonic photocatalyst of Pd supported on graphitic carbon nitride (Pd/g-C3N4) exhibits excellent catalytic activity in photo-induced hydrogenation of biomass-based aldehydes with environmental benign reagents of formic acid (HCOOH) as proton source and triethylamine (TEA) as sacrificial electron donator. The chemical and configurational properties of the Pd/g-C3N4 were systematically analyzed with XRD, TEM and XPS. Under optimized conditions, 27% yield of furfuryl alcohol with the corresponding turnover frequency (TOF) around 3.72 h(-1) were obtained from furfural and TEA-HCOOH under visible-light irradiation by using Pd/g-C3N4. Our research additionally reveals that Pd atom is the true catalytic active site for the hydrogenation and the photo-promoted reduction mainly occurs through noble metal nanoparticles (NPs)-induced effect of surface plasmon resonance (SPR). The photo-catalytic system of Pd/g-C3N4 thus demonstrates a green and effective method for the hydrogenation of biomass-based aldehydes with sustainable solar energy as a driven force. (C) 2020, Institute of Process Engineering, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.
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