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Mesoporous Silica Encapsulated Platinum–Tin Intermetallic Nanoparticles Catalyze Hydrogenation with an Unprecedented 20% Pairwise Selectivity for Parahydrogen Enhanced Nuclear Magnetic Resonance

https://doi.org/10.1021/acs.jpclett.2c00581

Du, Yong ; Behera, Ranjan K. ; Maligal-Ganesh, Raghu V. ; Chen, Minda ; Zhao, Tommy Yunpu ; Huang, Wenyu ; Bowers, Clifford R. ( May 2022 , The Journal of Physical Chemistry Letters)

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Cyclopropane Hydrogenation vs Isomerization over Pt and Pt–Sn Intermetallic Nanoparticle Catalysts: A Parahydrogen Spin-Labeling Study

https://doi.org/10.1021/acs.jpcc.0c02493

Du, Yong ; Behera, Ranjan ; Maligal-Ganesh, Raghu V. ; Chen, Minda ; Chekmenev, Eduard Y. ; Huang, Wenyu ; Bowers, Clifford R. ( April 2020 , The Journal of Physical Chemistry C)

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Pairwise semi-hydrogenation of alkyne to cis -alkene on platinum-tin intermetallic compounds

https://doi.org/10.1039/D0NR00920B

Pei, Yuchen ; Chen, Minda ; Zhong, Xiaoliang ; Zhao, Tommy Yunpu ; Ferrer, Maria-Jose ; Maligal-Ganesh, Raghu V. ; Ma, Tao ; Zhang, Biying ; Qi, Zhiyuan ; Zhou, Lin ; et al ( April 2020 , Nanoscale)

The molecular basis for the high cis -alkene selectivity over intermetallic PtSn for alkyne semi-hydrogenation is demonstrated. Unlike the universal assumption that the bimetallic surface is saturated with atomic hydrogen, molecular hydrogen has a higher barrier for dissociative adsorption on intermetallic PtSn due to the deficiency of Pt three-fold sites. The resulting molecular behavior of adsorbed hydrogen on intermetallic PtSn nanoparticles leads to pairwise-hydrogenation of three alkynes to the corresponding cis -alkenes, satisfying both high stereoselectivity and high chemoselectivity.
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Toward Phase and Catalysis Control: Tracking the Formation of Intermetallic Nanoparticles at Atomic Scale

https://doi.org/10.1016/j.chempr.2019.02.026

Ma, Tao ; Wang, Shuai ; Chen, Minda ; Maligal-Ganesh, Raghu V. ; Wang, Lin-Lin ; Johnson, Duane D. ; Kramer, Matthew J. ; Huang, Wenyu ; Zhou, Lin ( May 2019 , Chem)

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Catalytic properties of intermetallic platinum-tin nanoparticles with non-stoichiometric compositions

https://doi.org/10.1016/j.jcat.2019.04.013

Pei, Yuchen ; Zhang, Biying ; Maligal-Ganesh, Raghu V. ; Naik, Pranjali J. ; Goh, Tian Wei ; MacMurdo, Heather L. ; Qi, Zhiyuan ; Chen, Minda ; Behera, Ranjan K. ; Slowing, Igor I. ; et al ( June 2019 , Journal of Catalysis)

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Sub‐5 nm Intermetallic Nanoparticles Confined in Mesoporous Silica Wells for Selective Hydrogenation of Acetylene to Ethylene

https://doi.org/10.1002/cctc.202000155

Maligal‐Ganesh, Raghu V. ; Pei, Yuchen ; Xiao, Chaoxian ; Chen, Minda ; Goh, Tian Wei ; Sun, Weijun ; Wu, Jiashu ; Huang, Wenyu ( April 2020 , ChemCatChem)