scholarly journals Microwave-Assisted Synthesis of Pt-Au Nanoparticles with Enhanced Electrocatalytic Activity for the Oxidation of Formic Acid

2017 ◽  
Vol 224 ◽  
pp. 56-63 ◽  
Author(s):  
Gema Cabello ◽  
Rogério A. Davoglio ◽  
Fabian W. Hartl ◽  
Jose F. Marco ◽  
Ernesto C. Pereira ◽  
...  
Keyword(s):  
Formic Acid ◽  
Electrocatalytic Activity ◽  
Au Nanoparticles ◽  
Microwave Assisted Synthesis ◽  
Microwave Assisted

scholarly journals Comparison of electrocatalytic activity for glucose electrooxidation of gold nanoparticles fabricated by different methods

Chemija ◽  
2019 ◽  
Vol 30 (1) ◽  
Author(s):  
Daina Upskuvienė ◽  
Aldona Balčiūnaitė ◽  
Jūratė Vaičiūnienė ◽  
Algirdas Selskis ◽  
Rimantas Vaitkus ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Electrocatalytic Activity ◽  
Au Nanoparticles ◽  
Carbon Support ◽  
Alkaline Media ◽  
Carbon Powder ◽  
Microwave Assisted Synthesis ◽  
One Pot ◽  
Microwave Assisted ◽  
Glucose Electrooxidation

In this study, the gold nanoparticles (AuNPs) without carbon support were prepared using the well-known citrate reduction method. The carbon supported AuNPs nanocomposites were fabricated by two different approaches: chemical adsorption of AuNPs from the prepared citrate stabilized AuNP colloidal solution on the carbon powder surface and one-pot microwave-assisted synthesis. The nanocomposites were characterized using scanning electron microscopy (SEM) and inductively coupled plasma optical emission spectroscopy (ICP-OES). The electrocatalytic activity of the prepared catalysts was evaluated for the electrooxidation of glucose in an alkaline media using cyclic voltammetry. The highest electrocatalytic activity was observed for the catalyst of carbon supported Au nanoparticles prepared by microwave-assisted synthesis, followed by the catalyst of carbon supported Au nanoparticles prepared by means of the adsorption method, whereas the pure Au nanoparticles without carbon support exhibited the lowest electrocatalytic properties for glucose electrooxidation.

Microwave-assisted synthesis of a AuCeO2/C catalyst and its application for the oxidation of alcohols in an alkaline medium

2020 ◽  
Vol 44 (42) ◽  
pp. 18308-18318
Author(s):  
V. Kepenienė ◽  
R. Stagniūnaitė ◽  
A. Balčiūnaitė ◽  
L. Tamašauskaitė-Tamašiūnaitė ◽  
E. Norkus
Keyword(s):  
Ethylene Glycol ◽  
Alkaline Medium ◽  
Electrocatalytic Activity ◽  
Oxidation Reaction ◽  
Microwave Assisted Synthesis ◽  
Microwave Assisted ◽  
Oxidation Of Alcohols

Deposition of AuNPs onto a CeO2/C substrate results in the enhanced electrocatalytic activity of the formed AuCeO2/C catalyst for the oxidation reaction of methanol, ethanol, ethylene glycol, and glycerol compared with the prepared Au/C catalyst.

scholarly journals Microwave-Assisted Synthesis Core-Fe3O4 Shell-Au Cubic Nanoparticles

2011 ◽  
Vol 2011 ◽  
pp. 1-3
Author(s):  
Manuel Ramos ◽  
Karina Castillo ◽  
Domingo A. Ferrer ◽  
Rurik J. Farias ◽  
Sergio Flores ◽  
...  
Keyword(s):  
Electron Microscope ◽  
Field Emission ◽  
Au Nanoparticles ◽  
Microwave Assisted Synthesis ◽  
Core Shell ◽  
X Ray ◽  
Microwave Assisted

Core-Shell (Fe3O4/Au) nanoparticles were synthesized using iron II chloride tetrahydrate (FeCl2H2O) and potassium tetrachloroaurate III (AuCl4K) precursors under microwave-assisted conditions. Products were analyzed using field emission gun electron microscope in transmission and scanning modes; energy disperse X-ray spectroscopy performed during STEM measurements indicated a signal for gold K and M signals at 9 keV and 13 keV, respectively, confirming Au atoms at nanoparticle's perimeter and Fe-L signal at 8 keV to be at the center.

scholarly journals Microwave-assisted synthesis of mutually embedded Rh concave nanocubes with enhanced electrocatalytic activity

RSC Advances ◽  
2019 ◽  
Vol 9 (33) ◽  
pp. 19126-19130
Author(s):  
Junxuan Xu ◽  
Hongbin Tang ◽  
Baogui Ning ◽  
Yanxi Zhao ◽  
Tao Huang
Keyword(s):  
Microwave Irradiation ◽  
Electrocatalytic Activity ◽  
Reducing Agent ◽  
Tetraethylene Glycol ◽  
Microwave Assisted Synthesis ◽  
Microwave Assisted

Mutually embedded Rh concave nanocubes were synthesized by reducing Rh(acac)3 with tetraethylene glycol (TEG) as both a solvent and a reducing agent under microwave irradiation for 120 s.

Microwave-assisted synthesis of hemin–graphene/poly(3,4-ethylenedioxythiophene) nanocomposite for a biomimetic hydrogen peroxide biosensor

2014 ◽  
Vol 2 (27) ◽  
pp. 4324-4330 ◽  
Author(s):  
Wu Lei ◽  
Lihua Wu ◽  
Wenjing Huang ◽  
Qingli Hao ◽  
Yuehua Zhang ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Electrocatalytic Activity ◽  
Microwave Assisted Synthesis ◽  
Graphene Sheets ◽  
Microwave Assisted ◽  
Ternary Nanocomposite ◽  
Hydrogen Peroxide Biosensor ◽  
Good Electrocatalytic Activity ◽  
Microwave Assisted Method

The ternary nanocomposite hemin–graphene sheets/poly(3,4-ethylenedioxythiophene) (H–GNs/PEDOT) synthesized by a microwave-assisted method exhibits good electrocatalytic activity towards the reduction of hydrogen peroxide.

Surface Structure of Pt-Modified Au Nanoparticles and Electrocatalytic Activity in Formic Acid Electro-Oxidation

2007 ◽  
Vol 111 (51) ◽  
pp. 19126-19133 ◽  
Author(s):  
In-Su Park ◽  
Kug-Seung Lee ◽  
Jong-Ho Choi ◽  
Hee-Young Park ◽  
Yung-Eun Sung
Keyword(s):  
Formic Acid ◽  
Surface Structure ◽  
Electrocatalytic Activity ◽  
Au Nanoparticles ◽  
Electro Oxidation

Microwave-assisted synthesis of cyclic carbonates by a formic acid/KI catalytic system

2013 ◽  
Vol 15 (6) ◽  
pp. 1673 ◽  
Author(s):  
Jose Tharun ◽  
George Mathai ◽  
Amal Cherian Kathalikkattil ◽  
Roshith Roshan ◽  
Joo-Young Kwak ◽  
...  
Keyword(s):  
Formic Acid ◽  
Catalytic System ◽  
Microwave Assisted Synthesis ◽  
Cyclic Carbonates ◽  
Microwave Assisted
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