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Remarkable promoting effect of BiOCl on the room-temperature selective oxidation of benzyl alcohol over supported Pt catalysts

Abstract

Exploring and understanding efficient promoters is one of the most important issues in nanocatalysis. Herein, we successfully fabricated Pt/BiOCl-MOx (M=Al or Zn) composites via a facile one-pot solution approach and systematically investigated the promoting effect of BiOCl on Pt catalyzed selective oxidation of alcohols under base-free aqueous conditions. It is important to highlight that we for the first time proposed that BiOCl, in addition to traditional Bi metal, could remarkably promote the catalytic performance of Pt/MOx in selective oxidation of benzyl alcohol at room temperature with open air as the oxidant. With the assistant of BiOCl, Pt/BiOCl-Al2O3 achieved a conversion of benzyl alcohol up to 95.7 ± 0.4% in 3 h with nearly 100% selectivity to aldehyde, surpassing the activity of Pt/Al2O3 by ca. 5 times. Kinetic study indicated that the formation of BiOCl could promote the activation of alcohol on Pt/Al2O3 and Pt/ZnO composites, which consequently led to the drastic activity improvement.

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Publication details

The article was received on 19 Jan 2018, accepted on 11 Apr 2018 and first published on 17 Apr 2018


Article type: Paper
DOI: 10.1039/C8NJ00323H
Citation: New J. Chem., 2018, Accepted Manuscript
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    Remarkable promoting effect of BiOCl on the room-temperature selective oxidation of benzyl alcohol over supported Pt catalysts

    J. Liu, F. Han, L. Chen, L. Lu, S. Zou and H. Zhao, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ00323H

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