Two-dimensional transition metal carbides as supports for tuning the chemistry of catalytic nanoparticles

Zhe Li, Liang Yu, Cory Milligan, Tao Ma, Lin Zhou, Yanran Cui, Zhiyuan Qi, Nicole Libretto, Biao Xu, Junwei Luo, Enzheng Shi, Zhenwei Wu (), Hongliang Xin (), W. Nicholas Delgass, Jeffrey T. Miller () and Yue Wu ()
Additional contact information
Zhe Li: Iowa State University
Liang Yu: Virginia Polytechnic Institute and State University
Cory Milligan: Purdue University
Tao Ma: Ames Laboratory
Lin Zhou: Ames Laboratory
Yanran Cui: Purdue University
Zhiyuan Qi: Iowa State University
Nicole Libretto: Purdue University
Biao Xu: Iowa State University
Junwei Luo: Virginia Polytechnic Institute and State University
Enzheng Shi: Iowa State University
Zhenwei Wu: Purdue University
Hongliang Xin: Virginia Polytechnic Institute and State University
W. Nicholas Delgass: Purdue University
Jeffrey T. Miller: Purdue University
Yue Wu: Iowa State University

Nature Communications, 2018, vol. 9, issue 1, 1-8

Abstract: Abstract Supported nanoparticles are broadly employed in industrial catalytic processes, where the active sites can be tuned by metal-support interactions (MSIs). Although it is well accepted that supports can modify the chemistry of metal nanoparticles, systematic utilization of MSIs for achieving desired catalytic performance is still challenging. The developments of supports with appropriate chemical properties and identification of the resulting active sites are the main barriers. Here, we develop two-dimensional transition metal carbides (MXenes) supported platinum as efficient catalysts for light alkane dehydrogenations. Ordered Pt3Ti and surface Pt3Nb intermetallic compound nanoparticles are formed via reactive metal-support interactions on Pt/Ti3C2Tx and Pt/Nb2CTx catalysts, respectively. MXene supports modulate the nature of the active sites, making them highly selective toward C–H activation. Such exploitation of the MSIs makes MXenes promising platforms with versatile chemical reactivity and tunability for facile design of supported intermetallic nanoparticles over a wide range of compositions and structures.

Date: 2018
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DOI: 10.1038/s41467-018-07502-5

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