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Catalytic chemical vapor deposition synthesis of double-walled and few-walled carbon nanotubes by using a MoO3-supported conditioning catalyst to control the formation of iron catalytic particles within an α-Al1.8Fe0.2O3 self-supported foam

Anne Cordier, Valdirene Gonzaga De Resende UGent, Alicia Weibel, Eddy De Grave UGent, Alain Peigney and Christophe Laurent (2010) JOURNAL OF PHYSICAL CHEMISTRY C. 114(45). p.19188-19193
abstract
alpha-Al1.8Fe0.2O3 and alpha-Al1.8Fe0.2O3-MoO3 self-supported foams are used as catalytic materials for the synthesis of carbon nanotubes by catalytic chemical vapor deposition. A MoO3-supported conditioning catalyst placed upstream in the reactor is more efficient than MoO3 present within the catalytic material in producing double-walled and few-walled carbon nanotubes with fewer defects. It is shown that the corresponding modifications of the gas atmosphere (presence of H2O formed by the H-2 reduction of MoO3 and, therefore, lower H-2 and CH4 concentrations) allow one to limit more efficiently the release of the Fe catalyst from the oxide solid solution foam, which results in the formation of fewer Fe nanoparticles, which, therefore, are less prone to undesirable growth. Thus, a MoO3-induced "solid-state" effect is demonstrated within the catalytic material without molybdenum species being themselves present within this material. This could lead to simplifications in the design of catalytic materials.
Please use this url to cite or link to this publication:
author
organization
alternative title
Catalytic chemical vapor deposition synthesis of double-walled and few-walled carbon nanotubes by using a MoO3-supported conditioning catalyst to control the formation of iron catalytic particles within an alfa-Al1.8Fe0.2O3 self-supported foam
year
type
journalArticle (original)
publication status
published
subject
keyword
MO, NANOPARTICLES, CERAMIC FOAM, HIGH-PURITY, SINGLE, DECOMPOSITION, CVD SYNTHESIS, CCVD SYNTHESIS, GROWTH, IN-SITU
journal title
JOURNAL OF PHYSICAL CHEMISTRY C
J. Phys. Chem. C
volume
114
issue
45
pages
19188 - 19193
Web of Science type
Article
Web of Science id
000284018100005
JCR category
MATERIALS SCIENCE, MULTIDISCIPLINARY
JCR impact factor
4.52 (2010)
JCR rank
22/219 (2010)
JCR quartile
1 (2010)
ISSN
1932-7447
DOI
10.1021/jp105712q
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1094316
handle
http://hdl.handle.net/1854/LU-1094316
date created
2011-01-05 11:06:08
date last changed
2016-12-19 15:46:20
@article{1094316,
  abstract     = {alpha-Al1.8Fe0.2O3 and alpha-Al1.8Fe0.2O3-MoO3 self-supported foams are used as catalytic materials for the synthesis of carbon nanotubes by catalytic chemical vapor deposition. A MoO3-supported conditioning catalyst placed upstream in the reactor is more efficient than MoO3 present within the catalytic material in producing double-walled and few-walled carbon nanotubes with fewer defects. It is shown that the corresponding modifications of the gas atmosphere (presence of H2O formed by the H-2 reduction of MoO3 and, therefore, lower H-2 and CH4 concentrations) allow one to limit more efficiently the release of the Fe catalyst from the oxide solid solution foam, which results in the formation of fewer Fe nanoparticles, which, therefore, are less prone to undesirable growth. Thus, a MoO3-induced {\textacutedbl}solid-state{\textacutedbl} effect is demonstrated within the catalytic material without molybdenum species being themselves present within this material. This could lead to simplifications in the design of catalytic materials.},
  author       = {Cordier, Anne and Gonzaga De Resende, Valdirene and Weibel, Alicia and De Grave, Eddy and Peigney, Alain and Laurent, Christophe},
  issn         = {1932-7447},
  journal      = {JOURNAL OF PHYSICAL CHEMISTRY C},
  keyword      = {MO,NANOPARTICLES,CERAMIC FOAM,HIGH-PURITY,SINGLE,DECOMPOSITION,CVD SYNTHESIS,CCVD SYNTHESIS,GROWTH,IN-SITU},
  language     = {eng},
  number       = {45},
  pages        = {19188--19193},
  title        = {Catalytic chemical vapor deposition synthesis of double-walled and few-walled carbon nanotubes by using a MoO3-supported conditioning catalyst to control the formation of iron catalytic particles within an \ensuremath{\alpha}-Al1.8Fe0.2O3 self-supported foam},
  url          = {http://dx.doi.org/10.1021/jp105712q},
  volume       = {114},
  year         = {2010},
}

Chicago
Cordier, Anne, Valdirene Gonzaga De Resende, Alicia Weibel, Eddy De Grave, Alain Peigney, and Christophe Laurent. 2010. “Catalytic Chemical Vapor Deposition Synthesis of Double-walled and Few-walled Carbon Nanotubes by Using a MoO3-supported Conditioning Catalyst to Control the Formation of Iron Catalytic Particles Within an α-Al1.8Fe0.2O3 Self-supported Foam.” Journal of Physical Chemistry C 114 (45): 19188–19193.
APA
Cordier, A., Gonzaga De Resende, V., Weibel, A., De Grave, E., Peigney, A., & Laurent, C. (2010). Catalytic chemical vapor deposition synthesis of double-walled and few-walled carbon nanotubes by using a MoO3-supported conditioning catalyst to control the formation of iron catalytic particles within an α-Al1.8Fe0.2O3 self-supported foam. JOURNAL OF PHYSICAL CHEMISTRY C, 114(45), 19188–19193.
Vancouver
1.
Cordier A, Gonzaga De Resende V, Weibel A, De Grave E, Peigney A, Laurent C. Catalytic chemical vapor deposition synthesis of double-walled and few-walled carbon nanotubes by using a MoO3-supported conditioning catalyst to control the formation of iron catalytic particles within an α-Al1.8Fe0.2O3 self-supported foam. JOURNAL OF PHYSICAL CHEMISTRY C. 2010;114(45):19188–93.
MLA
Cordier, Anne, Valdirene Gonzaga De Resende, Alicia Weibel, et al. “Catalytic Chemical Vapor Deposition Synthesis of Double-walled and Few-walled Carbon Nanotubes by Using a MoO3-supported Conditioning Catalyst to Control the Formation of Iron Catalytic Particles Within an α-Al1.8Fe0.2O3 Self-supported Foam.” JOURNAL OF PHYSICAL CHEMISTRY C 114.45 (2010): 19188–19193. Print.