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Catalysis by Gold: Isolated Surface Au3+ Ions are Active Sites for Selective Hydrogenation of 1,3-Butadiene over Au/ZrO2 Catalysts

Authors

  • Xin Zhang,

    1. Innovative Catalysis Program, Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China, Fax: (+86) 10-6279-2122
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  • Hui Shi,

    1. Innovative Catalysis Program, Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China, Fax: (+86) 10-6279-2122
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  • Bo-Qing Xu Prof.

    1. Innovative Catalysis Program, Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China, Fax: (+86) 10-6279-2122
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  • We gratefully acknowledge the financial support of this work by NSF of China (grants: 20443008, 20125310, and 20590360) and National Basic Research Project of China (grant: 2003CB615804). We also thank the referees for their insightful comments.

Abstract

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A small number of isolated Au3+ ions (0.02 Au3+/nm2) heterogenized on a zirconia surface from a cheap inorganic source (HAuCl4) is able to grant high catalytic activity for the selective hydrogenation of 1,3-butadiene (see picture). The catalytic turnover and mass activity rates of the Au3+ ions are respectively one and two orders of magnitude higher than those of metallic gold nanoparticles.

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