Visible-light-driven coproduction of diesel precursors and hydrogen from lignocellulose-derived methylfurans

Nengchao Luo, Tiziano Montini, Jian Zhang, Paolo Fornasiero, Emiliano Fonda, Tingting Hou, Wei Nie, Jianmin Lu, Junxue Liu, Marc Heggen, Long Lin, Changtong Ma, Min Wang, Fengtao Fan, Shengye Jin and Feng Wang ()
Additional contact information
Nengchao Luo: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Tiziano Montini: INSTM Research Unit, ICCOM-CNR Trieste Research Unit, University of Trieste
Jian Zhang: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Paolo Fornasiero: INSTM Research Unit, ICCOM-CNR Trieste Research Unit, University of Trieste
Emiliano Fonda: Saint Aubin
Tingting Hou: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Wei Nie: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Jianmin Lu: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Junxue Liu: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Marc Heggen: Ernst Ruska Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Juelich GmbH
Long Lin: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Changtong Ma: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Min Wang: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Fengtao Fan: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Shengye Jin: Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Feng Wang: Dalian Institute of Chemical Physics, Chinese Academy of Sciences

Nature Energy, 2019, vol. 4, issue 7, 575-584

Abstract: Abstract Photocatalytic hydrogen production from biomass is a promising alternative to water splitting thanks to the oxidation half-reaction being more facile and its ability to simultaneously produce solar fuels and value-added chemicals. Here, we demonstrate the coproduction of H2 and diesel fuel precursors from lignocellulose-derived methylfurans via acceptorless dehydrogenative C−C coupling, using a Ru-doped ZnIn2S4 catalyst and driven by visible light. With this chemistry, up to 1.04 g gcatalyst−1 h−1 of diesel fuel precursors (~41% of which are precursors of branched-chain alkanes) are produced with selectivity higher than 96%, together with 6.0 mmol gcatalyst−1 h−1 of H2. Subsequent hydrodeoxygenation reactions yield the desired diesel fuels comprising straight- and branched-chain alkanes. We suggest that Ru dopants, substituted in the position of indium ions in the ZnIn2S4 matrix, improve charge separation efficiency, thereby accelerating C−H activation for the coproduction of H2 and diesel fuel precursors.

Date: 2019
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DOI: 10.1038/s41560-019-0403-5

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