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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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One-Pot Defunctionalization of Lignin-Derived Compounds by Dual-Functional Pd50Ag50/Fe3O4/N-rGO Catalyst

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Title
One-Pot Defunctionalization of Lignin-Derived Compounds by Dual-Functional Pd50Ag50/Fe3O4/N-rGO Catalyst
Author
Singh, Ajay K.Jang, SeungwookKim, Jae YulSharma, SiddharthBasavaraju, K.CKim, Min-GyuKim, Kyung-RokLee, Jae SungLee, Hong H.Kim, Dong-Pyo
Issue Date
2015-11
Publisher
AMER CHEMICAL SOC
Citation
ACS CATALYSIS, v.5, no.11, pp.6964 - 6972
Abstract
Generation of hydrogen from renewable sources and its safe utilization for efficient one-pot upgrading of renewable biofuels are a challenge. Bimetallic PdAg catalyst supported on Fe3O4/nitrogen-doped reduced graphene oxide (N-rGO) were synthesized for hydrogen generation from formic acid with high TOF (497 h(-1) at 50 degrees C), and the hydrogen was subsequently utilized in situ for selective defunctionalization of lignin-derived chemicals with preserved aromatic nature at ambient pressure. Hydrodeoxygenation of aromatic aldehydes and ketones gave excellent yields (99% at 130 degrees C) with no use of additives. Furthermore, hydrogenolysis of beta-O-4 and alpha-O-4 C-O model compounds produced only two products with high selectivity at 120 degrees C, which is an efficient and versatile one-pot platform for valorization of lignin biomass.
URI
https://scholarworks.unist.ac.kr/handle/201301/17888
URL
http://pubs.acs.org/doi/10.1021/acscatal.5b01319
DOI
10.1021/acscatal.5b01319
ISSN
2155-5435
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