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Visible light-driven simultaneous H2 production by water splitting coupled with selective oxidation of HMF to DFF catalyzed by porous carbon nitride

Abstract

In this study, we have demonstrated the photocatalytic H2 evolution by water splitting coupled with biomass derived 5-(Hydroxymethyl) furfural (HMF) oxidation to more valued platform chemical, 2,5-Diformylfuran (DFF) under visible light using porous carbon nitride (SGCN) for the first time. Simultaneously, 12 μmol/h/m2 of H2 was obtained with the DFF yield of 13.8 % with >99 % selectivity after 6 h under visible light. The selectivity of DFF was maintained >99 % even after longer runs (48 h) with improved DFF yield 38.4 % and H2 production rate of 36 μmol/h/m2. In addition, 6.2 μmol/h/m2 of H2 with 0.15 light-to-fuel efficiency (LFE) along with the DFF (7.2 % yield) were produced under natural sunlight after 6 h. Thus, this study describes an effective way to utilize both photogenerated electrons and holes for the simultaneous H2 production by water splitting and biomass derived HMF oxidation to DFF, respectively under natural sunlight.

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Publication details

The article was received on 13 Nov 2018, accepted on 07 Feb 2019 and first published on 08 Feb 2019


Article type: Paper
DOI: 10.1039/C8TA10926E
Citation: J. Mater. Chem. A, 2019, Accepted Manuscript

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    Visible light-driven simultaneous H2 production by water splitting coupled with selective oxidation of HMF to DFF catalyzed by porous carbon nitride

    V. R. BATTULA, A. Jaryal and K. Kailasam, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C8TA10926E

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