Study of NO oxidation reaction over the Pt cluster supported on γ-Al2O3(111) surface

Kishi, Hirofumi; Oemry, Ferensa; Kunikata, Shinichi; Nakanishi, Hiroshi; Kasai, Hideaki; Maekawa, Hiroyoshi; Osumi, Kazuo

doi:10.1016/j.cap.2012.05.003

Cited by 4 publications

(1 citation statement)

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“…Current diesel oxidation catalyst (DOC) [1][2][3] that employs smaller Pt nanoparticles is still experiencing several drawbacks because those nanoparticles are notoriously susceptible to oxygen poisoning 4) , deformation 5) , and sintering processes 6,7) . In recent years, heterogeneous catalyst such as NiPt/Al 2 O 3 has been reported to show better catalytic reactivity in dry reforming of methane (DRM) 8,9) , ethanol steam reforming for hydrogen production 10,11) and hydrogenation of maleic anhydride (MA) 12) .…”

Section: Introductionmentioning

confidence: 99%

Atomic Oxygen Adsorption on Core-shell Ni@Pt and Pure Pt Nanoparticles

et al. 2014

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Atomic oxygen adsorption on core-shell Ni＠Pt and pure Pt nanoparticles composed of 55 atoms each is investigated usinĝ rst-principles calculations. Results show that 5d-5d hybridization between Pt(core) and Pt(shell) in pure Pt cluster demonstrates both attractive and repulsive bonding characters depending on oxygen adsorption site. However, for Ni＠Pt cluster, 3d-5d hybridization between Ni(core) and Pt(shell) in the presence of oxygen always impose repulsive bonding character, which in turns, weakens the bonding at Ni/Pt interface. 34 282-()-J. Vac. Soc. Jpn.

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