Paper Title:
Carbon Nanotubes Preparation Using Carbon Monoxide from the Pyrolysis Flame
  Abstract

Carbon nanotube is a new kind of carbon material. Synthesis of carbon nanotubes from V-type pyrolysis flame is a kind of novel technique. It needs simple laboratory equipments and normal atmosphere pressure. The V-type pyrolysis flame experimental system is introduced. Carbon source is the carbon monoxide which is carried to the middle pipe of V-type pyrolysis flame combustor. Heat source is from acetylene /air premixed flame. Pentacarbonyl iron, served as catalyst, is transported by spray- pyrolysis method into the burner. The carbon nanotubes were characterized by scanning electron microscope and transmission electron microscope. The diameter of carbon nanotubes is approximate 20nm and its length is dozens of microns. The impact of the temperature, reactant composition and catalyst was analyzed to reveal the rule of carbon nanotube growth. Carbon nanotubes with good form and less impurity can be captured when the temperature was from 800°C to 1000°C and carbon monoxide/hydrogen/helium mixed gas flow was supplied. The effective diameter of pentacarbonyl iron nanoparticles is approximate from 5nm to 20nm in the process of carbon nanotube formation. Mechanism of carbon nanotube base on the V-type pyrolysis flame method was proposed. The carbon “dissolved-proliferation-separate out” theory can be used to explain how the pentacarbonyl iron catalyses carbon monoxide to form carbon nanotubes.

  Info
Periodical
Advanced Materials Research (Volumes 87-88)
Edited by
Lianxiang Ma, Chuangsheng Wang and Weimin Yang
Pages
104-109
DOI
10.4028/www.scientific.net/AMR.87-88.104
Citation
B. M. Sun, Y. C. Liu, Z. Y. Ding, "Carbon Nanotubes Preparation Using Carbon Monoxide from the Pyrolysis Flame", Advanced Materials Research, Vols. 87-88, pp. 104-109, 2010
Online since
December 2009
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Zhao Yong Ding, Bao Min Sun, Yong Hong Guo, Bin Jia, Jin Sheng Bi
Abstract:Pyramid sharp pyrolysis flame is a new method for carbon nanotubes synthesis. Oxy-acetylene flame outside the frustum of pyramid sharp...
572
Authors: Yong Hong Guo, Kai Xiang Ding, Peng Jiang, Bao Min Sun
Chapter 1: Materials Science and Technology
Abstract:In this paper, carbon nanotubes (CNTs) were synthesized by catalytic pyrolysis of CO and CH4 using flame pyrolysis method. The...
55
Authors: Udomdej Pakdee, Santipab Srabua, Aphichard Phongphala, Chutchai Pawong
Chapter 1: Ceramics, Semiconductors and Composites
Abstract:The effects of cobalt, nickel and iron catalyst on carbon nanotubes (CNTs) were examined with scanning electron microscope (SEM),...
47