Parametric study on the influence of synthesis variables in the properties of nitrogen-doped carbon nanotubes

被引：10

作者：

Zeferino Gonzalez, I. ^{[1
]}

Valenzuela-Muniz, A. M. ^{[1
]}

Ben Youssef, C. ^{[1
]}

Miki Yoshida, M. ^{[2
]}

Brodusch, N. ^{[3
]}

Gauvin, R. ^{[3
]}

Verde Gomez, Y. ^{[1
]}

机构：

[1] TECNM, Inst Tecnol Cancun, Av Kabah Km 3, Cancun 77500, QR, Mexico

[2] Ctr Invest Mat Avanzados SC, Av Miguel Cervantes 120 Chihuahua, Chihuahua 31136, Mexico

[3] McGill Univ, Dept Min & Mat Engn, 3610 Univ St, Montreal, PQ H3A 0C5, Canada

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 51期

关键词：

Electrocatalysts for fuel cells; Nitrogen doped carbon nanotubes; Parametric study; Pyridine; OXYGEN REDUCTION REACTION; HYDROGEN STORAGE; GROWTH; TEMPERATURE; COMPOSITES; CATALYSTS; ELECTROCATALYSTS; PURIFICATION; PERFORMANCE; MORPHOLOGY;

D O I：

10.1016/j.ijhydene.2017.10.029

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 nanotubes (N-CNT) were synthesized by a Modified Chemical Vapor Deposition method, using pyridine as carbon and nitrogen source, and ferrocene as catalytic agent for the nanotubes growth. The influence of synthesis parameters as the temperature, carrier gas flow rate, concentration of the reactants and preheating temperature over the morphology and physical properties of the N-CNT, were investigated by high resolution scanning electron microscopy, transmission electron microscopy and X ray diffraction. The statistical analysis for the length of the N-CNT forest revealed that the synthesis temperature and carrier gas flow rate have significantly influenced on the physical properties of the material. The synthesis temperature not only affected the length of N-CNT forest, but also influenced the mass production, as well as, in diameter and the nitrogen content in the nanotubes. This is an important step towards the high yield production of N-CNT for applications in hydrogen storage, electrocatalysts for fuel cells and other electrochemical devices. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：30318 / 30329

页数：12

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