CeO2 decorated CuO hierarchical composites as inverse catalyst for enhanced CO oxidation

RSC Advances ◽  
2016 ◽  
Vol 6 (105) ◽  
pp. 102931-102937 ◽  
Author(s):  
Caixia Song ◽  
Zeyu Zhao ◽  
Honghao Li ◽  
Debao Wang ◽  
Yanzhao Yang
Keyword(s):  
Co Oxidation ◽  
Hierarchical Composites ◽  
Inverse Catalyst

CeO2 decorated CuO hierarchical composites were prepared and was used as inverse catalyst for enhanced CO oxidation.

scholarly journals What Changes on the Inverse Catalyst? Insight From CO Oxidation on Au-Supported Ceria Nanoparticles Using Ab Initio Molecular Dynamics

2019 ◽  
Author(s):  
Yong Li ◽  
Shikun Li ◽  
Marcus Bäumer ◽  
Lyudmila V. Moskaleva
Keyword(s):  
Ab Initio ◽  
Co Oxidation ◽  
Au Nanoparticles ◽  
Ab Initio Molecular Dynamics ◽  
Simulation Studies ◽  
Oxidation Reactions ◽  
Oxide Interfaces ◽  
Improved Stability ◽  
Reducible Oxides ◽  
Inverse Catalyst

Oxidation reactions catalyzed by Au nanoparticles supported on reducible oxides have been widely studied both experimentally and theoretically, whereas <i>inverse catalysts</i>, in which oxide nanoparticles are supported on metal surfaces, received considerably less attention. In both systems catalytic activity at metal – oxide interfaces can arise not only from each material contributing its functionality, but also from their interactions creating properties beyond the sum of individual components. Inverse catalysts may retain the synergy between the metal and oxide functionalities, while offering further specific advantages, e.g. a possibility to have better control over interfacial sites or to yield improved stability, activity, and selectivity. Our work provides the mechanism of O atom/vacancy diffusion-assisted Mars-van-Krevelen CO oxidation on gold-supported ceria nanoparticle through state-of-the-art ab initio molecular dynamic simulation studies.

What Changes on the Inverse Catalyst? Insights from CO Oxidation on Au-Supported Ceria Nanoparticles Using Ab Initio Molecular Dynamics

ACS Catalysis ◽  
2020 ◽  
Vol 10 (5) ◽  
pp. 3164-3174
Author(s):  
Yong Li ◽  
Shikun Li ◽  
Marcus Bäumer ◽  
Elena A. Ivanova-Shor ◽  
Lyudmila V. Moskaleva
Keyword(s):  
Molecular Dynamics ◽  
Ab Initio ◽  
Co Oxidation ◽  
Ab Initio Molecular Dynamics ◽  
Ceria Nanoparticles ◽  
Inverse Catalyst

scholarly journals Surface plasmon-driven catalytic reactions on a patterned Co3O4/Au inverse catalyst

RSC Advances ◽  
2017 ◽  
Vol 7 (88) ◽  
pp. 56073-56080 ◽  
Author(s):  
Si Woo Lee ◽  
Changhwan Lee ◽  
Kalyan C. Goddeti ◽  
Sun Mi Kim ◽  
Jeong Young Park
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
Surface Plasmon ◽  
Catalytic Reactions ◽  
Hot Carriers ◽  
Inverse Catalyst

Hot carriers generated from LSPR excitation of Au can transfer to Co3O4, thus enhancing the catalytic activity for CO oxidation.

scholarly journals What Changes on the Inverse Catalyst? Insight From CO Oxidation on Au-Supported Ceria Nanoparticles Using Ab Initio Molecular Dynamics

2019 ◽  
Author(s):  
Yong Li ◽  
Shikun Li ◽  
Marcus Bäumer ◽  
Lyudmila V. Moskaleva
Keyword(s):  
Ab Initio ◽  
Co Oxidation ◽  
Au Nanoparticles ◽  
Ab Initio Molecular Dynamics ◽  
Simulation Studies ◽  
Oxidation Reactions ◽  
Oxide Interfaces ◽  
Improved Stability ◽  
Reducible Oxides ◽  
Inverse Catalyst

Oxidation reactions catalyzed by Au nanoparticles supported on reducible oxides have been widely studied both experimentally and theoretically, whereas <i>inverse catalysts</i>, in which oxide nanoparticles are supported on metal surfaces, received considerably less attention. In both systems catalytic activity at metal – oxide interfaces can arise not only from each material contributing its functionality, but also from their interactions creating properties beyond the sum of individual components. Inverse catalysts may retain the synergy between the metal and oxide functionalities, while offering further specific advantages, e.g. a possibility to have better control over interfacial sites or to yield improved stability, activity, and selectivity. Our work provides the mechanism of O atom/vacancy diffusion-assisted Mars-van-Krevelen CO oxidation on gold-supported ceria nanoparticle through state-of-the-art ab initio molecular dynamic simulation studies.

The surface plasmon-induced hot carrier effect on the catalytic activity of CO oxidation on a Cu2O/hexoctahedral Au inverse catalyst

Nanoscale ◽  
2018 ◽  
Vol 10 (23) ◽  
pp. 10835-10843 ◽  
Author(s):  
Si Woo Lee ◽  
Jong Wook Hong ◽  
Hyunhwa Lee ◽  
Dae Han Wi ◽  
Sun Mi Kim ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
Surface Plasmon ◽  
Photon Absorption ◽  
Energetic Electrons ◽  
Hot Carrier ◽  
Carrier Effect ◽  
Hot Carrier Effect ◽  
Inverse Catalyst

The catalytic activity was enhanced when energetic electrons, generated from photon absorption on the HOH Au metal, were transferred to the reactive Cu2O.

Catalytic CO Oxidation on Unreconstructed Cu(110) by Reactive As-Adsorbed Oxygen Atoms below 230 K

1996 ◽  
Vol 100 (3) ◽  
pp. 1048-1054 ◽  
Author(s):  
Tsuyoshi Sueyoshi ◽  
Takehiko Sasaki ◽  
Yasuhiro Iwasawa
Keyword(s):  
Co Oxidation ◽  
Adsorbed Oxygen ◽  
Catalytic Co Oxidation ◽  
Oxygen Atoms

Effects of H2O and O2 on CO Oxidation using Dielectric Barrier Discharge

2013 ◽  
Vol 133 (12) ◽  
pp. 642-647 ◽  
Author(s):  
Hitomi Kawakami ◽  
Akinori Zukeran ◽  
Koji Yasumoto ◽  
Yoshiyasu Ehara ◽  
Toshiaki Yamamoto
Keyword(s):  
Co Oxidation ◽  
Dielectric Barrier Discharge ◽  
Barrier Discharge ◽  
Dielectric Barrier

Bacterial Co-oxidation of Natural Humic Substances in the Presence of Glucose

2004 ◽  
Vol 40 (1) ◽  
pp. 8
Author(s):  
N. Dzyuban ◽  
E. S. Bikbulatov ◽  
E. M. Bikbulatova ◽  
I. A. Kuznetsova
Keyword(s):  
Co Oxidation ◽  
Humic Substances
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