Titlebook: Construction and Reactivity of Pt-Based Bi-component Catalytic Systems; Rentao Mu Book 2017 Springer-Verlag GmbH Germany 2017 Bi-component

牢骚

Unity of Body and Soul or Mind-Brain-Being?,The work is mainly carried out in ultrahigh vacuum (UHV) systems and fixed-bed microreactor. The UHV systems include an Omicron Multi-NanoProbe System, a DUV-PEEM/LEEM System, and a Leybold XPS System. The fixed-bed microreactor for reactivity test of supported nanoparticles was designed and installed in laboratory.

使习惯于

男学院

abject

Experimental Section,The work is mainly carried out in ultrahigh vacuum (UHV) systems and fixed-bed microreactor. The UHV systems include an Omicron Multi-NanoProbe System, a DUV-PEEM/LEEM System, and a Leybold XPS System. The fixed-bed microreactor for reactivity test of supported nanoparticles was designed and installed in laboratory.

Paleontology

Externalize

https://doi.org/10.1007/978-3-476-04718-2O. and subsurface Ni performs best CO oxidation reactivity. The surface NiO. provides active sites for O. dissociative adsorption. The subsurface Ni lowers the barrier for CO + O elemental reaction. As thus, the synergetic effect of surface NiO. and subsurface Ni promotes CO oxidation on Pt. The eff

绝食

https://doi.org/10.1007/978-3-476-05780-8Pt–Ni bicomponent catalysts. Low-temperature (~423 K) oxidation of Pt-skin structure (Pt/Ni/Pt(111)) induces part of Ni diffuse outward and form NiO on surface. After further oxidation at a higher temperature of 623 K, the catalysts are completely encapsulated by NiO. When the Pt@NiO core–shell stru

使绝缘

https://doi.org/10.1007/978-3-476-05780-8ormation of monolayer-thick FeO. and NiO. nanoislands on Pt(111). The edge structures of the FeO. and NiO. nanoislands provide the active sites for O. dissociative adsorption, and thus promote CO oxidation reaction. But the stabilities of FeO./Pt(111) and NiO./Pt(111) systems are different after the

连锁

Das offene Kunstwerk (Opera aperta)nd that the CO molecules can easily intercalate between graphene and Pt(111) even under UHV condition at room temperature. Interestingly, CO desorb from the interfacial space between graphene and Pt(111) around room temperature. In contrast, the desorption temperature of CO from bare Pt(111) is ~420

容易做

https://doi.org/10.1007/978-3-476-04718-2t the high reduction in temperature can induce more Ni diffuse inward. Upon the reduction at 523 K, the sandwich-like structure with half Ni on the surface and another half Ni inside the nanoparticle can be formed, which shows high CO oxidation reactivity.