Micro/mesoporous conducting carbonized polyaniline 5-sulfosalicylate nanorods/nanotubes: Synthesis, characterization and electrocatalysis

被引：39

作者：

Janosevic, Aleksandra ^{[2
]}

Pasti, Igor ^{[1
]}

Gavrilov, Nemanja ^{[1
]}

Mentus, Slavko ^{[1
,3
]}

Ciric-Marjanovic, Gordana ^{[1
]}

Krstic, Jugoslav ^{[4
]}

Stejskal, Jaroslav ^{[5
]}

机构：

[1] Univ Belgrade, Fac Phys Chem, Belgrade 11158, Serbia

[2] Univ Belgrade, Fac Farm, Belgrade 11221, Serbia

[3] Serbian Acad Arts & Sci, Belgrade 11158, Serbia

[4] Inst Chem Technol & Met, Belgrade 11001, Serbia

[5] Acad Sci Czech Republic, Inst Macromol Chem, CR-16206 Prague 6, Czech Republic

来源：

SYNTHETIC METALS | 2011年 / 161卷 / 19-20期

关键词：

Carbonized polyaniline; Electrocatalysis; Nanorods; Nanotubes; Oxygen reduction; OXYGEN REDUCTION REACTION; NANOTUBES; IMMOBILIZATION; NANOPARTICLES; NANOCARBONS; ELECTRODES; PYROLYSIS; CATALYSTS;

D O I：

10.1016/j.synthmet.2011.08.028

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Micro/mesoporous conducting nitrogen-containing carbon nanorods/nanotubes with high surface area, and excellent electrocatalytic activity for the oxygen reduction reaction, were synthesized by the carbonization of self-assembled polyaniline (PANI) 5-sulfosalicylate nanorods/nanotubes. Carbonization was carried out by means of gradual heating in a nitrogen atmosphere up to 800 degrees C. The morphology of the PANI 5-sulfosalicylate was preserved after carbonization. Carbonized PANI nanostructures containing similar to 10 wt% of nitrogen had a conductivity of 0.8 S cm(-1). The influence of the carbonization on the porosity and specific surface area of the nanostructured PANI has been analyzed. The morphology, elemental composition, molecular structure, surface area, and electrical characteristics of novel carbonized nanostructured PANI were investigated by scanning and transmission electron microscopies, elemental microanalysis, FTIR and Raman spectroscopies, nitrogen adsorption-desorption and conductivity measurements, respectively. The electrocatalytic activity of carbonized PANI 5-sulfosalicylate nanorods/nanotubes material towards oxygen reduction reaction in alkaline conditions has been studied by the voltammetry with the rotating disc electrode. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：2179 / 2184

页数：6

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