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PdAu bimetallic nanoparticles anchored on amine-modified mesoporous ZrSBA-15 for dehydrogenation of formic acid at ambient conditions

Abstract

A series of amine-modified ZrSBA-15 supported PdAu bimetallic nanoparticles (NPs) catalysts were prepared, and their catalytic properties were studied for the dehydrogenation of formic acid in aqueous solution without any additives. The catalytic activities of the supported PdAu catalysts varied with the change of amines and Pd/Au ratios. The optimized catalyst achieves very high efficiency at ambient conditions, and even works well at a temperature near to the freezing point of the solution. During the preparation process of catalyst, different organic amines could coordinate with the cations of Au and Pd to produce metal complexes with different structure stabilities and redox properties, and finally result in the formation of PdAu NPs with different particle sizes and dispersion states. The co-existence of small PdAu alloy NPs and the suitable amino groups within a single solid support could fabricate highly efficient bifunctional sites for synergistically activating FA molecular to produce H2 and CO2.

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Publication details

The article was received on 18 Feb 2017, accepted on 13 Apr 2017 and first published on 17 Apr 2017


Article type: Paper
DOI: 10.1039/C7CY00311K
Citation: Catal. Sci. Technol., 2017, Accepted Manuscript
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    PdAu bimetallic nanoparticles anchored on amine-modified mesoporous ZrSBA-15 for dehydrogenation of formic acid at ambient conditions

    Z. Wang, X. Hao, D. Hu, L. Li, X. song, W. Zhang and M. Jia, Catal. Sci. Technol., 2017, Accepted Manuscript , DOI: 10.1039/C7CY00311K

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