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Synthesis and Characterization of Nanocarbon-Supported Titanium Dioxide

Published online by Cambridge University Press:  31 January 2011

Marcus A Worsley ,
Joshua D. Kuntz ,
Octavio Cervantes ,
T Yong-Jin Han ,
Peter Pauzauskie ,
Joe H Satcher  and
Theodore F Baumann
Marcus A Worsley
Affiliation:
worsley1@llnl.gov, Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Joshua D. Kuntz
Affiliation:
kuntz2@llnl.gov, Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Octavio Cervantes
Affiliation:
cervantes5@llnl.gov, Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
T Yong-Jin Han
Affiliation:
han5@llnl.gov, Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Peter Pauzauskie
Affiliation:
pauzauskie1@llnl.gov, United States
Joe H Satcher
Affiliation:
satcher1@llnl.gov, Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
Theodore F Baumann
Affiliation:
baumann2@llnl.gov, Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate, Livermore, California, United States
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Abstract

In this report, we describe recent efforts in fabricating new nanocarbon-supported titanium dioxide structures that exhibit high surface area and improved electrical conductivity. Nanocarbons consisting of single-walled carbon nanotubes and carbon aerogel nanoparticles were used to support titanium dioxide particles and produce monoliths with densities as low as 80 mg/cm 3. The electrical conductivity of the nanocarbon-supported titanium dioxide was dictated by the conductivity of the nanocarbon support while the pore structure was dominated by the titanium dioxide aerogel particles. The conductivity of the monoliths presented here was 72 S/m and the surface area was 203 m2/g.

Keywords

aerogelelectrical propertiesoxide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1174: Symposium V – Functional Metal-Oxide Nanostructures , 2009 , 1174-V03-06
Copyright
Copyright © Materials Research Society 2009

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