Platinum-coated gold nanoporous film surface: electrodeposition and enhanced electrocatalytic activity for methanol oxidation

Langmuir : the ACS Journal of Surfaces and Colloids
Jianbo JiaZhenhui Wang

Abstract

This report describes the preparation of Pt-nanoparticle-coated gold-nanoporous film (PGNF) on a gold substrate via a simple "green" approach. The gold electrode that has been anodized under a high potential of 5 V is reduced by freshly prepared ascorbic acid (AA) solution to obtain gold nanoporous film electrode. Then the Pt nanoparticle is grown on the electrode by cyclic voltammetry (CV). The resulting PGNF electrode has highly ordered arrangement and large surface area, as verified by scanning electron microscopy (SEM) and CV, suggesting that the nanoporous gold film electrode provides a good matrix for obtaining PGNF with high surface area. Furthermore, the as-prepared PGNF electrode exhibited high electrocatalytic activity toward methanol oxidation in a 0.5 M H 2SO 4 solution containing 1.5 M methanol. The present novel strategy is expected to reduce the cost of the Pt catalyst remarkably.

References

Oct 8, 2004·Journal of the American Chemical Society·Huifang LangBert D Chandler
Feb 9, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Peter N NjokiChuan-Jian Zhong
Nov 16, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Yuehe LinChien M Wai
Dec 22, 2006·The Journal of Physical Chemistry. B·Z D WeiP K Shen
Jan 16, 2007·Chemical Communications : Chem Comm·Hui Jiang, Huangxian Ju
Jun 28, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Wei ZhaoHong-Yuan Chen
Aug 10, 2007·The Journal of Physical Chemistry. B·A HabriouxN Alonso-Vante

❮ Previous
Next ❯

Citations

Jun 26, 2012·Biosensors & Bioelectronics·Laleh Enayati Ahangar, Masoud A Mehrgardi
Mar 18, 2009·Chemistry : a European Journal·Zong-Hong LinHuan-Tsung Chang
Apr 17, 2012·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·You XuBin Zhang
Dec 20, 2011·Advanced Materials·Arne KlokeSven Kerzenmacher
Feb 19, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Xiaohu GuYi Ding
Mar 25, 2015·International Journal of Analytical Chemistry·Michael L Hainstock, Yijun Tang
Apr 16, 2020·Nanomaterials·Paolo Bollella
Nov 14, 2019·International Journal of Molecular Sciences·Daniela Salado-LezaSandrine Lacombe
May 14, 2014·Materials·Renyun Zhang, Håkan Olin
Jun 11, 2017·Methods : a Companion to Methods in Enzymology·Gabriella SanzòGiovanni De Micheli
Jul 31, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Juergen BienerMarcus Baeumer

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.