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Optimizing the activity of Pd based catalysts towards room-temperature formic acid decomposition by Au alloying

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Abstract

Herein, a series of PdAu/C alloyed catalysts were synthesized via a modified coprecipitation–reduction method by using carbon powder as a support, and their activities towards formic acid decomposition (FAD) at room temperature (30 °C) were evaluated. It was identified that the content of surface active species, PdO, in the alloyed catalysts is well related to the feed ratio of Au used in the syntheses, attributed to both the lattice strain and ligand effects induced by Au alloying. As a result, the alloyed catalyst with the optimal Pd and Au atomic ratio, Pd0.69Au0.31/C, exhibited a turnover frequency (TOF) as high as 6634 h1 towards room temperature FAD, 4.3 times that of the pure Pd/C catalyst (1539 h1).

Graphical abstract: Optimizing the activity of Pd based catalysts towards room-temperature formic acid decomposition by Au alloying

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Publication details

The article was received on 25 Nov 2018, accepted on 07 Jan 2019 and first published on 08 Jan 2019


Article type: Communication
DOI: 10.1039/C8CY02402B
Citation: Catal. Sci. Technol., 2019, Advance Article
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    Optimizing the activity of Pd based catalysts towards room-temperature formic acid decomposition by Au alloying

    Z. Xing, Z. Guo, X. Chen, P. Zhang and W. Yang, Catal. Sci. Technol., 2019, Advance Article , DOI: 10.1039/C8CY02402B

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