scholarly journals γ-Al2O3 supported Pd@CeO2 core@shell nanospheres: salting-out assisted growth and self-assembly, and their catalytic performance in CO oxidation

2015 ◽  
Vol 6 (5) ◽  
pp. 2877-2884 ◽  
Author(s):  
Xiao Wang ◽  
Dapeng Liu ◽  
Junqi Li ◽  
Jiangman Zhen ◽  
Fan Wang ◽  
...  
Keyword(s):  
Co Oxidation ◽  
Self Assembly ◽  
Catalytic Performance ◽  
Core Shell ◽  
Salting Out ◽  
Catalytic Co Oxidation ◽  
Highly Active ◽  
Supported Pd

Highly active Pd@CeO2 core@shell nanospheres with tunable Pd core sizes for catalytic CO oxidation.

Highly active and stable Au@CuxO core–shell nanoparticles supported on alumina for carbon monoxide oxidation at low temperature

RSC Advances ◽  
2016 ◽  
Vol 6 (79) ◽  
pp. 75126-75132 ◽  
Author(s):  
Weining Zhang ◽  
Qingguo Zhao ◽  
Xiaohong Wang ◽  
Xiaoxia Yan ◽  
Sheng Han ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Catalytic Activity ◽  
Low Temperature ◽  
Co Oxidation ◽  
Room Temperature ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Highly Active ◽  
Co Conversion ◽  
Core Shell Nanoparticles

Au@CuxO core–shell nanoparticles and Au@CuxO/Al2O3 used for CO oxidation at low temperature are prepared. CO conversion on Au@CuxO/Al2O3 can reach to 38% at room temperature and the catalytic activity remains unchanged after 108 hours reaction.

Fabrication of CeO2@MnO2 Core–Shell Nanospheres and Their Application in CO Oxidation

NANO ◽  
2017 ◽  
Vol 12 (03) ◽  
pp. 1750039 ◽  
Author(s):  
Ling Liu ◽  
Jingjing Shi ◽  
Hongxia Cao ◽  
Ruiyu Wang
Keyword(s):  
Co Oxidation ◽  
Rational Design ◽  
Synergistic Effects ◽  
Phase Interface ◽  
Catalytic Performance ◽  
Core Shell ◽  
High Catalytic Activity ◽  
Two Phase ◽  
Oxidation Activity ◽  
Shell Nanostructures

Rational design and fabrication of heterogeneous core–shell nanostructures is of great significance because their two-phase interface could render hybrid junctions with rich redox reactions, which are beneficial for improving catalytic performance. Herein, hierarchical CeO2 yolk-shell nanospheres@MnO2 nanosheets core–shell nanostructures were fabricated by a multistep wet chemical synthetic strategy. The resulting CeO2@MnO2 core–shell nanospheres exhibited high catalytic activity toward CO oxidation in comparison with pure CeO2 and MnO2 structures and their physical and chemical mixture. The enhanced catalytic performance should be attributed to the formation of core–shell structure and the possible synergistic effects between the two components of MnO2 and CeO2, which facilitates materials with promoted redox properties and enhanced oxidation activity. In addition, this synthetic method is expected to extend to fabricate other multi-composite core–shell structures for a broad range of technical applications.

Probing the origin of the enhanced catalytic performance of sp3@sp2 nanocarbon supported Pd catalyst for CO oxidation

Carbon ◽  
2020 ◽  
Vol 156 ◽  
pp. 463-469
Author(s):  
Liyun Zhang ◽  
Yuxiao Ding ◽  
Yoobin Esther Koh ◽  
Bongjin Simon Mun ◽  
Kuang-Hsu Wu ◽  
...  
Keyword(s):  
Co Oxidation ◽  
Catalytic Performance ◽  
Pd Catalyst ◽  
Supported Pd

Highly Active and Thermally Stable Supported Pd@SiO2 Core-Shell Catalyst for Catalytic Methane Combustion

2016 ◽  
Vol 4 (8) ◽  
pp. 943-949 ◽  
Author(s):  
Dong Pi ◽  
Wen Zhi Li ◽  
Qi Zhao Lin ◽  
Qi Fu Huang ◽  
Hui Qing Hu ◽  
...  
Keyword(s):  
Methane Combustion ◽  
Core Shell ◽  
Thermally Stable ◽  
Highly Active ◽  
Supported Pd

Pd@Rh core–shell nanocrystals with well-defined facets and their enhanced catalytic performance towards CO oxidation

2019 ◽  
Vol 4 (5) ◽  
pp. 1232-1238 ◽  
Author(s):  
Sang-Il Choi ◽  
Allison Young ◽  
Sujin R. Lee ◽  
Cheng Ma ◽  
Ming Luo ◽  
...  
Keyword(s):  
Co Oxidation ◽  
Reaction Kinetics ◽  
Oxidation Reaction ◽  
Catalytic Performance ◽  
Core Shell ◽  
Co Oxidation Reaction

The Pd@Rh core-shell nanocrystals exhibit enhanced CO oxidation reaction kinetics relative to the monometallic counterparts.

scholarly journals Preparation, Characterization and CO Oxidation Performance of Ag2O/γ-Al2O3 and (Ag2O+RuO2)/γ-Al2O3 Catalysts

Surfaces ◽  
2020 ◽  
Vol 3 (2) ◽  
pp. 251-264
Author(s):  
Antony Ananth ◽  
Rak Hyun Jeong ◽  
Jin-Hyo Boo
Keyword(s):  
Co Oxidation ◽  
Catalyst Support ◽  
Ruthenium Oxide ◽  
Catalytic Performance ◽  
Oxidation Catalyst ◽  
Pore Characteristics ◽  
Good Thermal Stability ◽  
Composite Catalysts ◽  
Highly Active ◽  
Temperature Programmed

This research dealt with the preparation and characterization of silver oxide (SLO) nanomaterials (NMs) and their composite catalysts (i.e., silver and ruthenium oxide (SLORUO)). The prepared materials were tested for their catalytic performance in carbon monoxide (CO) oxidation. Generally, silver in its pure state is not widely used for CO oxidation due to stability and structural issues. However, the usage of subsurface oxygen and oxygen-induced reconstruction could be effective as an oxidation catalyst at a slightly high temperature. The low-temperature reaction of highly active RuO2 (RUO) is a well-known phenomenon. Thus, the possibility of using it with SLO to observe the combined catalytic behavior was investigated. The wet chemically prepared SLO and SLORUO NMs exhibited spherical and rods in spherical aggregate-type surface morphology belonging to cubic and rutile crystalline structures, respectively. The NMs and catalysts (i.e., the NMs on γ-Al2O3 catalyst support at 0.5 and 1.0 wt.% ranges) showed good thermal stability. The dry and wet CO oxidation using RUO and SLO showed concentration-dependent catalytic activity. The RUO, SLO, and SLORUO composites using 0.5 wt.% showed full CO oxidation at 200, 300, and 225 °C, respectively. The reasons for the observed activity of the catalysts are explained based on the pore characteristics, chemical composition, and dispersion using H2 temperature-programmed reduction (TPR) behaviors.

Catalytic co-oxidation of CO and H2 over FeOx-supported Pd catalyst at low temperatures

2012 ◽  
Vol 294 ◽  
pp. 29-36 ◽  
Author(s):  
Lequan Liu ◽  
Botao Qiao ◽  
Yude He ◽  
Feng Zhou ◽  
Benqun Yang ◽  
...  
Keyword(s):  
Co Oxidation ◽  
Low Temperatures ◽  
Pd Catalyst ◽  
Oxidation Of Co ◽  
Catalytic Co Oxidation ◽  
Supported Pd

Catalytic CO oxidation over pumice supported Pd–Ag catalysts

2001 ◽  
Vol 211 (2) ◽  
pp. 167-174 ◽  
Author(s):  
A.M Venezia ◽  
L.F Liotta ◽  
G Deganello ◽  
Z Schay ◽  
D Horváth ◽  
...  
Keyword(s):  
Co Oxidation ◽  
Catalytic Co Oxidation ◽  
Supported Pd ◽  
Ag Catalysts
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