scholarly journals High viscosity to highly dispersed PtPd bimetallic nanocrystals for enhanced catalytic activity and stability

2016 ◽  
Vol 52 (53) ◽  
pp. 8219-8222 ◽  
Author(s):  
Jie Ying ◽  
Zhi-Yi Hu ◽  
Xiao-Yu Yang ◽  
Hao Wei ◽  
Yu-Xuan Xiao ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
High Activity ◽  
High Viscosity ◽  
Solvent Method ◽  
Highly Dispersed ◽  
Bimetallic Nanocrystals

A facile high-viscosity-solvent method is developed to synthesize highly dispersed bimetallic PtPd nanocrystals with high activity, stability and durability.

Highly dispersed and disordered nickel–iron layered hydroxides and sulphides: robust and high-activity water oxidation catalysts

2018 ◽  
Vol 2 (7) ◽  
pp. 1561-1573 ◽  
Author(s):  
Manjunath Chatti ◽  
Alexey M. Glushenkov ◽  
Thomas Gengenbach ◽  
Gregory P. Knowles ◽  
Tiago C. Mendes ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
High Activity ◽  
Water Oxidation ◽  
Microwave Assisted Synthesis ◽  
Oxidation Catalysts ◽  
Alkaline Water ◽  
Nickel Iron ◽  
Microwave Assisted ◽  
Highly Dispersed

A rapid low-temperature microwave-assisted synthesis of nickel(iron) layered hydroxides and sulphides that exhibit robust catalytic activity for electrooxidation of alkaline water is introduced.

Litchi-peel-like hierarchical hollow copper-ceria microspheres: aerosol-assisted synthesis and high activity and stability for catalytic CO oxidation

Nanoscale ◽  
2018 ◽  
Vol 10 (48) ◽  
pp. 22775-22786 ◽  
Author(s):  
Wenge Li ◽  
Yanjie Hu ◽  
Hao Jiang ◽  
Nan Jiang ◽  
Wei Bi ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Co Oxidation ◽  
High Activity ◽  
Catalytic Co Oxidation ◽  
Highly Dispersed ◽  
Hollow Copper

Litchi-peel-like hierarchical hollow copper-ceria microspheres with highly dispersed CuOx and steps exhibit remarkable catalytic activity and stability for CO oxidation.

Facile synthesis of cubical Co3O4 supported Au nanocomposites with high activity for the reduction of 4-nitrophenol to 4-aminophenol

RSC Advances ◽  
2016 ◽  
Vol 6 (39) ◽  
pp. 32430-32433 ◽  
Author(s):  
Yuwen Yang ◽  
Yongyun Mao ◽  
Bin Wang ◽  
Xianwei Meng ◽  
Jiao Han ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
High Activity ◽  
Impregnation Method ◽  
Facile Synthesis ◽  
Turn Over Frequency ◽  
Turn Over

A facile impregnation method has been successfully applied for synthesis of a cubical Co3O4 supported Au nanocomposites, which leads to the excellent catalytic activity for the reduction of 4-nitrophenol with a high turn over frequency of 9.83 min−1.

scholarly journals Near-Monodisperse Ni−Cu Bimetallic Nanocrystals of Variable Composition: Controlled Synthesis and Catalytic Activity for H2 Generation

2008 ◽  
Vol 112 (32) ◽  
pp. 12092-12095 ◽  
Author(s):  
Yawen Zhang ◽  
Wenyu Huang ◽  
Susan E. Habas ◽  
John N. Kuhn ◽  
Michael E. Grass ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Variable Composition ◽  
Controlled Synthesis ◽  
H2 Generation ◽  
Bimetallic Nanocrystals

Mussel-inspired construction of thermo-responsive double-hydrophilic diblock copolymers-decorated reduced graphene oxide as effective catalyst supports for highly dispersed superfine Pd nanoparticles

Nanoscale ◽  
2018 ◽  
Vol 10 (26) ◽  
pp. 12487-12496 ◽  
Author(s):  
Haichao Duan ◽  
Yu Yang ◽  
Jianhua Lü ◽  
Changli Lü
Keyword(s):  
Graphene Oxide ◽  
Catalytic Activity ◽  
Reduced Graphene Oxide ◽  
Diblock Copolymer ◽  
Diblock Copolymers ◽  
Pd Nanoparticles ◽  
Catalyst Supports ◽  
High Catalytic Activity ◽  
Reduced Graphene ◽  
Highly Dispersed

We report a facile, mussel-inspired construction of a thermo-responsive diblock copolymer-anchored rGO support for superfine PdNPs with high catalytic activity.

scholarly journals Polystyrene-Supported Acyclic Diaminocarbene Palladium Complexes in Sonogashira Cross-Coupling: Stability vs. Catalytic Activity

Catalysts ◽  
2018 ◽  
Vol 8 (4) ◽  
pp. 141 ◽  
Author(s):  
Vladimir Mikhaylov ◽  
Viktor Sorokoumov ◽  
Denis Liakhov ◽  
Alexander Tskhovrebov ◽  
Irina Balova
Keyword(s):  
Catalytic Activity ◽  
High Activity ◽  
Cross Coupling ◽  
Palladium Complexes ◽  
Lower Activity ◽  
Coupling Conditions ◽  
Acyclic Diaminocarbene ◽  
Supported Palladium ◽  
Polymer Supported

Two types of immobilized on the amino-functionalized polystyrene-supported acyclic diaminocarbene palladium complexes (ADC-PdII) are investigated under Sonogashira cross-coupling conditions. Depending on substituents in the diaminocarbene fragment immobilized ADC-PdII, systems are found to have different catalytic activity and stability regarding Pd-leaching. PdII-diaminocarbenes possessing protons at both nitrogen atoms smoothly decompose into Pd0-containing species providing a catalytic “cocktail system” with high activity and ability to reuse within nine runs. Polymer-supported palladium (II) complex bearing NBn–Ccarbene–NH-moiety exhibits greater stability while noticeably lower activity under Sonogashira cross-coupling. Four molecular ADC-PdII complexes are also synthesized and investigated with the aim of confirming proposed base-promoted pathway of ADC-PdII conversion through carbodiimide into an active Pd0 forms.

Controllable synthesis of urchin-like hierarchical superstructure MOFs with high catalytic activity and stability

2021 ◽  
Author(s):  
Zhanke Wang ◽  
Lei Ge ◽  
Guangxu Zhang ◽  
Rongrong Gao ◽  
Hao Wang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
High Activity ◽  
Metal Organic Frameworks ◽  
High Catalytic Activity ◽  
Controllable Synthesis ◽  
Metal Organic ◽  
Self Assembled

A novel dissolution-crystallization strategy was developed to synthesize urchin-like superstructure metal-organic frameworks (MOFs) with self-assembled 1D nanorods. The superstructure MOFs not only inherit the high activity of nano-sized MOFs but...

The influence of the size of aromatic monomers on the structure and catalytic activity of polymer solid acids

2021 ◽  
Author(s):  
Cui Wang ◽  
Shuguang Shen ◽  
Yehui Li ◽  
Huajie Pan ◽  
Zijian Zhou ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
High Activity ◽  
Solid Acids ◽  
Crosslinked Polymer

High activity hyper-crosslinked polymer solid acids (HCPSAs) were prepared from different aromatic monomers, the structure of which was regulated by selecting the type and size of aromatic monomers. The results...

Highly dispersed nickel nitride nanoparticles on nickel nanosheets as an active catalyst for hydrazine electrooxidation

2020 ◽  
Vol 8 (2) ◽  
pp. 632-638 ◽  
Author(s):  
Xi Lin ◽  
He Wen ◽  
Deng-Xue Zhang ◽  
Guo-Xuan Cao ◽  
Ping Wang
Keyword(s):  
High Activity ◽  
Active Catalyst ◽  
Highly Dispersed ◽  
Nickel Nitride ◽  
Hydrazine Electrooxidation

Tiny Ni3N nanoparticles dispersed on Ni nanosheets exhibit an impressively high activity towards N2H4 electrooxidation.

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