DataVXAdvanced MaterialsPaper
journal article·2023-09Open access

Seeded Synthesis of Hollow PdSn Intermetallic Nanomaterials for Highly Efficient Electrocatalytic Glycerol Oxidation

Biao Huang, Yiyao Ge, An Zhang, Shangqian Zhu, Bo Chen, Guanxing Li, Qinbai Yun, Zhiqi Huang, Zhenyu Shi, Xichen Zhou, Lujiang Li, Xixi Wang, Gang Wang, Zhiqiang Guan, Li Zhai, Qinxin Luo, Zijian Li, Shiyao Lu, Ye Chen, Chun‐Sing Lee, Yu Han, Minhua Shao, Hua Zhang

Advanced Materials· Volume 35· Issue 35
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Source abstract

Abstract

Abstract Intermetallic nanomaterials have shown promising potential as high‐performance catalysts in various catalytic reactions due to their unconventional crystal phases with ordered atomic arrangements. However, controlled synthesis of intermetallic nanomaterials with tunable crystal phases and unique hollow morphologies remains a challenge. Here, a seeded method is developed to synthesize hollow PdSn intermetallic nanoparticles (NPs) with two different intermetallic phases, that is, orthorhombic Pd2Sn and monoclinic Pd3Sn2. Benefiting from the rational regulation of the crystal phase and morphology, the obtained hollow orthorhombic Pd2Sn NPs deliver excellent electrocatalytic performance toward glycerol oxidation reaction (GOR), outperforming solid orthorhombic Pd2Sn NPs, hollow monoclinic Pd3Sn2 NPs, and commercial Pd/C, which places it among the best reported Pd‐based GOR electrocatalysts. The reaction mechanism of GOR using the hollow orthorhombic Pd2Sn as the catalyst is investigated by operando infrared reflection absorption spectroscopy, which reveals that the hollow orthorhombic Pd2Sn catalyst cleaves the CC bond more easily compared to the commercial Pd/C. This work can pave an appealing route to the controlled synthesis of diverse novel intermetallic nanomaterials with hollow morphology for various promising applications.
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Research context

Metals & alloysNanomaterialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry City University of Hong Kong Kowloon Hong Kong China

Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM) City University of Hong Kong Hong Kong China

School of Materials Science and Engineering Peking University Beijing 100871 China

Department of Chemical and Biological Engineering The Hong Kong University of Science and Technology Hong Kong China

Advanced Membranes and Porous Materials Center Physical Sciences and Engineering Division King Abdullah University of Science and Technology Thuwal 23955–6900 Saudi Arabia

School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 100081 China

Department of Chemistry The Chinese University of Hong Kong Hong Kong China

Center of Super‐Diamond and Advanced Films (COSDAF) City University of Hong Kong Hong Kong China

Energy Institute Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory and Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution The Hong Kong University of Science and Technology Hong Kong China

Shenzhen Research Institute City University of Hong Kong Shenzhen 518057 China

Funding

City University of Hong Kong · Peking University

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