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Citation: ZHAO Yan-Chun, LAN Huang-Xian, TIAN Jian-Niao, YANG Xiu-Lin, WANG Feng-Yang. Electrocatalytic Oxidation of Methanol on Pt Nanoparticles Supported on Porous Poly(N-acetylaniline) Nanofibrils[J]. Acta Physico-Chimica Sinica, ;2009, 25(10): 2050-2054. doi: 10.3866/PKU.WHXB20091012 shu

Electrocatalytic Oxidation of Methanol on Pt Nanoparticles Supported on Porous Poly(N-acetylaniline) Nanofibrils

1.
Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources of the Ministry of Education of China, College of Chemistry and Chemical Engineering, Guangxi Normal University, Guilin 541004, Guangxi Province, P. R. China

Received Date: 12 April 2009
Available Online: 26 August 2009

A novel nanoporous poly(N-acetylaniline) (np-PAANI) film with a network structure modified with Pt nanoparticles (C/np-PAANI/Pt) was fabricated using chemical oxidation polymerization and a reduction method. The morphology and composition of the final products were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). The electrocatalytic activity of C/np-PAANI/Pt towards the oxidation of methanol was investigated using cyclic voltammetry and chronoamperometric methods in 0.5 mol·L-1 CH3OH+0.5 mol·L-1 H2SO4 mixture solution. Results indicated that C/np-PAANI/Pt catalysts exhibited improved electrocatalytic activity, anti-poisoning ability, and od stability towards methanol oxidation by comparison to C/PAANI/Pt or C/Pt.
- Poly(N-acetylaniline),
- Pt particles,
- Nanoporous structure,
- Methanol,
- Electrocatalytic oxidation
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