Unusual synergetic effect of nickel single atoms on the electrocatalytic activity of palladium for alcohol oxidation reactions in alkaline media

2018 ◽  
Vol 54 (87) ◽  
pp. 12404-12407 ◽  
Author(s):  
Thantakorn Nitaya ◽  
Yi Cheng ◽  
Shanfu Lu ◽  
Kunakorn Poochinda ◽  
Kejvalee Pruksathorn ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Electrocatalytic Activity ◽  
Synergetic Effect ◽  
Alcohol Oxidation ◽  
Pd Nanoparticles ◽  
Alkaline Media ◽  
Oxidation Reactions ◽  
Single Atoms ◽  
Oxidation Of Alcohols

Ni single atoms encapsulated in carbon nanotubes substantially enhance the activity of Pd nanoparticles for oxidation of alcohols in alkaline media.

Effect of oxygen functionalisation on the electrochemical behaviour of multiwall carbon nanotubes for alcohol oxidation reactions

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 78403-78408 ◽  
Author(s):  
Bryan H. R. Suryanto ◽  
Chuan Zhao
Keyword(s):  
Carbon Nanotubes ◽  
Oxidation Process ◽  
Electrochemical Behaviour ◽  
Multiwall Carbon Nanotubes ◽  
Surface Oxidation ◽  
Alcohol Oxidation ◽  
Oxidation Reactions ◽  
Oxidation Of Alcohols ◽  
Effect Of Oxygen ◽  
Multiwall Carbon

Enhanced electrocatalytic oxidation of alcohols observed at multiwall carbon nanotubes following simple surface oxidation process.

A hybrid catalyst of Pt/CoNiO2 on carbon nanotubes and its synergetic effect towards remarkable ethanol electro-oxidation in alkaline media

2018 ◽  
Vol 2 (1) ◽  
pp. 229-236 ◽  
Author(s):  
Tingting Tang ◽  
Qiuping Gan ◽  
Xiaohui Guo ◽  
Hailin Dong ◽  
Jifang Zhang ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Alkaline Solution ◽  
Electrocatalytic Activity ◽  
Ethanol Oxidation ◽  
Synergetic Effect ◽  
Alkaline Media ◽  
Hybrid Catalyst ◽  
Long Term Stability ◽  
Electro Oxidation

A hybrid catalyst of Pt/CoNiO2 on carbon nanotubes reveals ultrahigh electrocatalytic activity and long-term stability for ethanol oxidation in an alkaline solution.

A facile approach to constructing Pd@PCN–Se nano-composite catalysts for selective alcohol oxidation reactions

2019 ◽  
Vol 7 (18) ◽  
pp. 10918-10923 ◽  
Author(s):  
Kuanhong Cao ◽  
Xin Deng ◽  
Tian Chen ◽  
Qitao Zhang ◽  
Lei Yu
Keyword(s):  
Surface Area ◽  
Oxidation Reaction ◽  
Carbon Nitride ◽  
Alcohol Oxidation ◽  
Pd Nanoparticles ◽  
Oxidation Reactions ◽  
Structure Directing Agent ◽  
Nano Composite ◽  
Composite Catalysts ◽  
Polymeric Carbon

By using Se as structure-directing agent, the surface area and total mesoporous volume of polymeric carbon nitride (PCN) could be obviously enhanced. The PCN-Se material was a better support for Pd nanoparticles, which could catalyze the alcohol oxidation reaction with broad substrate scope.

scholarly journals Selective Benzyl Alcohol Oxidation over Pd Catalysts

Catalysts ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 431 ◽  
Author(s):  
Carine Chan-Thaw ◽  
Aditya Savara ◽  
Alberto Villa
Keyword(s):  
Benzyl Alcohol ◽  
Alcohol Oxidation ◽  
Pd Nanoparticles ◽  
Alcohol Concentration ◽  
Pd Catalysts ◽  
Benzyl Alcohol Oxidation ◽  
Bimetallic Systems ◽  
Oxidation Of Alcohols ◽  
Agricultural Industries ◽  
Supported Metal Nanoparticles

In the last decades, the selective liquid phase oxidation of alcohols to the corresponding carbonyl compounds has been a subject of growing interest. Research has focused on green methods that use “clean” oxidants such as O2 in combination with supported metal nanoparticles as the catalyst. Among the alcohols, benzyl alcohol is one of the most studied substrates. Indeed, benzyl alcohol can be converted to benzaldehyde, largely for use in the pharmaceutical and agricultural industries. This conversion serves as model reaction in testing new potential catalysts, that can then be applied to other systems. Pd based catalysts have been extensively studied as active catalytic metals for alcohol oxidation for their high activity and selectivity to the corresponding aldehyde. Several catalytic materials obtained by careful control of the morphology of Pd nanoparticles, (including bimetallic systems) and by tuning the support properties have been developed. Moreover, reaction conditions, including solvent, temperature, pressure and alcohol concentration have been investigated to tune the selectivity to the desired products. Different reaction mechanisms and microkinetic models have been proposed. The aim of this review is to provide a critical description of the recent advances on Pd catalyzed benzyl alcohol oxidation.

Donor functionalized ruthenium N-heterocyclic carbene complexes in alcohol oxidation reactions

2014 ◽  
Vol 43 (14) ◽  
pp. 5335-5342 ◽  
Author(s):  
Abbas Raja Naziruddin ◽  
Chun-Shiuan Zhuang ◽  
Wan-Jung Lin ◽  
Wen-Shu Hwang
Keyword(s):  
Alcohol Oxidation ◽  
Oxidation Reactions ◽  
Carbene Complexes ◽  
Coordination Modes ◽  
Pincer Complex ◽  
Oxidation Of Alcohols

Ruthenium chelates bearing N^C^O-donors in bidentate or pincer coordination modes have been prepared. The ruthenium pincer complex catalyses the oxidation of alcohols to the corresponding aldehydes with yields as high as 99%.

scholarly journals A novel iron(iii)-based heterogeneous catalyst for aqueous oxidation of alcohols using molecular oxygen

RSC Advances ◽  
2015 ◽  
Vol 5 (96) ◽  
pp. 78553-78560 ◽  
Author(s):  
Debojeet Sahu ◽  
Ana Rosa Silva ◽  
Pankaj Das
Keyword(s):  
Molecular Oxygen ◽  
Heterogeneous Catalyst ◽  
Alcohol Oxidation ◽  
Oxidation Reactions ◽  
Immobilized Catalyst ◽  
Oxidation Of Alcohols ◽  
Aqueous Oxidation

The first example of an iron(iii)-based heterogeneous catalyst for alcohol oxidation reactions in water employing molecular oxygen has been reported. Interestingly, the immobilized catalyst shows superior activity over its homogeneous counterpart.

scholarly journals Effect of Pd on the Electrocatalytic Activity of Pt towards Oxidation of Ethanol in Alkaline Solutions

2021 ◽  
Vol 11 (3) ◽  
pp. 1315
Author(s):  
Salma Jadali ◽  
Mohammad Ali Kamyabi ◽  
José Solla-Gullón ◽  
Enrique Herrero
Keyword(s):  
Photoelectron Spectroscopy ◽  
Electrocatalytic Activity ◽  
Oxidation Reaction ◽  
Ethanol Oxidation ◽  
Aldol Condensation ◽  
Pd Nanoparticles ◽  
Alkaline Media ◽  
Alkaline Solutions ◽  
Ethanol Oxidation Reaction ◽  
X Ray

The understanding of electrocatalytic activity and poisoning resistance properties of Pt and Pd nanoparticles, recognized as the best electrocatalysts for the ethanol oxidation reaction, is an essential step for the commercialization of direct ethanol fuel cells (DEFCs). In this paper, mono and bimetallic Pt and Pd nanoparticles with different atomic ratios have been synthesized to study their electrocatalytic properties for an ethanol oxidation reaction in alkaline solutions. The different nanoparticles were physiochemically characterized by transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The electrochemical characterization was performed by cyclic voltammetry and chronoamperometry measurements. The electrochemical measurements indicate that Pt nanoparticles have much higher electrocatalytic activity for ethanol oxidation than Pd nanoparticles. The studies with bimetallic PtPd nanoparticles showed a significant impact of their composition on the ethanol oxidation. Thus, the highest electrocatalytic activity and poisoning resistance properties were obtained for Pt3Pd2 nanoparticles. Moreover, this study demonstrates that the poisoning of the catalyst surface through ethanol oxidation is related to the prevalence of the acetaldehyde–acetate route and the polymerization of acetaldehyde through aldol condensation in the alkaline media.

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