Preparation of nitrogen-doped carbon nanotube arrays and their catalysis towards cathodic oxygen reduction in acidic and alkaline media

被引：172

作者：

Mo, Zaiyong ^{[1
,2
,3
,4
]}

Liao, Shijun ^{[1
,2
,3
]}

Zheng, Yuying ^{[1
,2
,3
]}

Fu, Zhiyong ^{[1
,2
,3
]}

机构：

[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Peoples R China

[2] Minist Educ, Key Lab Fuel Cell Technol Guangdong Prov, Guangzhou, Guangdong, Peoples R China

[3] Minist Educ, Key Lab Enhanced Heat Transfer & Energy Conservat, Beijing, Peoples R China

[4] Yulin Normal Univ, Sch Chem & Mat, Yulin 537000, Peoples R China

来源：

CARBON | 2012年 / 50卷 / 07期

关键词：

HIGH ELECTROCATALYTIC ACTIVITY; ELECTROLYTE FUEL-CELLS; CNX NANOTUBES; IRON; GROWTH; PHASE;

D O I：

10.1016/j.carbon.2012.02.021

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nitrogen-doped carbon nanotube (N-CNT) arrays were prepared by chemical vapor deposition, using ferrocene as the catalyst precursor and imidazole as the carbon and nitrogen precursor. For the reduction of oxygen, the N-CNTs showed excellent electrocatalytic activity in both acidic and alkaline media. The N-CNTs were characterized by scanning and transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and elemental analysis. The samples had a high nitrogen content (8.54 at.%) and a bamboo-like structure, and their activity varied according to the amount of pyridinic nitrogen they contained. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：2620 / 2627

页数：8

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