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Issue 11, 2015
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A Schiff base modified gold catalyst for green and efficient H2 production from formic acid

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Abstract

Formic acid (FA) dehydrogenation is an atom-economic method for H2 production, while diluted FA with extra additives is generally required in heterogeneous dehydrogenation of FA. Here, we report a novel Schiff base functionalized gold catalyst, which showed excellent catalytic performances for H2 production in catalytic dehydrogenation of high-concentration FA without any additives. The record turnover frequency (TOF) was as high as 4368 h−1 in 10 M FA solutions, and was up to 2882 h−1 even in 99% FA at a mild temperature of 50 °C. According to characterization results, a synergetic mechanism for C–H activation between the protonated Schiff base and electronegative gold nanoparticles (NPs) at the interface was suggested to be responsible for its unusual catalytic activity toward H2 production from FA.

Graphical abstract: A Schiff base modified gold catalyst for green and efficient H2 production from formic acid

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Publication details

The article was received on 14 Aug 2015, accepted on 28 Sep 2015 and first published on 28 Sep 2015


Article type: Communication
DOI: 10.1039/C5EE02506K
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Citation: Energy Environ. Sci., 2015,8, 3204-3207
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    A Schiff base modified gold catalyst for green and efficient H2 production from formic acid

    Q. Liu, X. Yang, Y. Huang, S. Xu, X. Su, X. Pan, J. Xu, A. Wang, C. Liang, X. Wang and T. Zhang, Energy Environ. Sci., 2015, 8, 3204
    DOI: 10.1039/C5EE02506K

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