scholarly journals Platinum nanoparticles decorating a biomass porous carbon nanocomposite-modified electrode for the electrocatalytic sensing of luteolin and application

RSC Advances ◽  
2019 ◽  
Vol 9 (58) ◽  
pp. 33607-33616 ◽  
Author(s):  
Juan Liu ◽  
Hui Cheng ◽  
Hui Xie ◽  
Guiling Luo ◽  
Yanyan Niu ◽  
...  
Keyword(s):  
Modified Electrode ◽  
Porous Carbon ◽  
Platinum Nanoparticles ◽  
Carbon Nanocomposite

A Pt–BPC nanocomposite-modified electrode was fabricated for luteolin detection.

Highly efficient electro-generation of H2O2 by a nitrogen porous carbon modified carbonaceous cathode during the oxygen reduction reaction

2020 ◽  
Vol 44 (37) ◽  
pp. 15942-15950
Author(s):  
Ling Tao ◽  
Yang Yang ◽  
Fangke Yu
Keyword(s):  
Carbon Nanotubes ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Modified Electrode ◽  
Carbon Fibers ◽  
Active Carbon ◽  
Porous Carbon ◽  
Reduction Reaction ◽  
Nitrogen Doped ◽  
Highly Efficient

In this work, active carbon fibers (ACFs) were modified with nitrogen-doped porous carbon (NPC) and carbon nanotubes (CNTs) to prepare a novel modified electrode as a cathode.

Deposition and diffusion of platinum nanoparticles in porous carbon assisted by plasma sputtering

2005 ◽  
Vol 200 (1-4) ◽  
pp. 391-394 ◽  
Author(s):  
A. Caillard ◽  
P. Brault ◽  
J. Mathias ◽  
C. Charles ◽  
R.W. Boswell ◽  
...  
Keyword(s):  
Porous Carbon ◽  
Platinum Nanoparticles ◽  
Plasma Sputtering ◽  
And Diffusion

Origin of the High Activity of Porous Carbon-Coated Platinum Nanoparticles for Aerobic Oxidation of Alcohols

2009 ◽  
Vol 113 (29) ◽  
pp. 12799-12805 ◽  
Author(s):  
Yun Hau Ng ◽  
Shigeru Ikeda ◽  
Yoshihiro Morita ◽  
Takashi Harada ◽  
Keita Ikeue ◽  
...  
Keyword(s):  
High Activity ◽  
Porous Carbon ◽  
Platinum Nanoparticles ◽  
Aerobic Oxidation ◽  
Oxidation Of Alcohols ◽  
Carbon Coated

Ordered micro-porous carbon molecular sieves containing well-dispersed platinum nanoparticles for hydrogen storage

2009 ◽  
Vol 119 (1-3) ◽  
pp. 39-46 ◽  
Author(s):  
Yun-Xia Yang ◽  
Laure Bourgeois ◽  
Chunxia Zhao ◽  
Dongyuan Zhao ◽  
Alan Chaffee ◽  
...  
Keyword(s):  
Hydrogen Storage ◽  
Porous Carbon ◽  
Platinum Nanoparticles ◽  
Molecular Sieves ◽  
Carbon Molecular Sieves

Determination of Ascorbic Acid Based on a Platinum Nanoparticles Modified Au Electrode

2011 ◽  
Vol 110-116 ◽  
pp. 1732-1735
Author(s):  
Jia Hong He ◽  
Qiang Xu ◽  
Zhong Rong Song ◽  
Hai Yan Kuang
Keyword(s):  
Electron Microscopy ◽  
Ascorbic Acid ◽  
Modified Electrode ◽  
Platinum Nanoparticles ◽  
Reaction System ◽  
Au Electrode ◽  
Transmission Electron ◽  
Growth Method ◽  
One Step ◽  
The One

A Platinum nanoparticles modified Au electrode has been successfully fabricated by using an in situ growth method. In this method, the Platinum nanoparticles could be grown on the Au electrode surface via the one-step immersion into the mixture of H2PtCl6 (analytical grade, 1g/L), NaBH4 (analytical grade) and polyvinylpyrrolidone K30 (PVP, analytical grade). A certain amount of PVP was added into the reaction system to prevent the coagulation of the Platinum nanoparticles, which obtained by the chemical redox reaction of H2PtCl6 and NaBH4. The structures and morphologies of the Platinum nanoparticles were characterized by transmission electron microscopy (TEM) and scanning electron microscopy (SEM) . The direct electrochemical behavior of ascorbic acid in 0.3 mol/L NaCl medium at the Platinum nanoparticles modified electrode has been investigated in detail. Compared to a bare Au electrode, a substantial decrease in the overvoltage of the ascorbic acid was observed at the Platinum nanoparticles modified electrode with oxidation starting at ca. 0.20 V vs. SCE (saturated KCl). At an applied potential of 0.18V, this modified electrode produced high and reproducible sensitivity to ascorbic acid and linear responses were obtained over a concentration range from 0.600 to 3.267 μmol/L with a detection limit of 1.9 nmol/L(S/N=3). The fabrication method of this sensor, which has highly sensitive, low working potential, and fast amperometric sensing to ascorbic acid, is simple and without using complex equipment. In addition, the sensor has been successfully used to detect ascorbic acid in real sample, thus is promising for the future development of ascorbic acid sensors.

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