[UCI-Calit2] Upcoming Lecture: Microwave Synthesis of Carbon Nanotubes

[Anna Lynn SPITZER]

Title:                 Microwave Synthesis of Carbon Nanotubes

 

Speaker:           Kun-Hong Lee, Department of Chemical Engineering,
Computer and Electrical Engineering at Pohang University of Science,
(Korea).

 

Time:                11 a.m.

 

Date:                Tuesday, June 7, 2005

 

Location:           Calit2 Building, Room 3008

 

Abstract:           CNTs were directly synthesized on organic polymer
substrates by selective heating of catalysts using microwave radiation,
and they were applied to flexible field emitter arrays. Since the
microwave energy is selectively absorbed by the catalysts, not by the
substrates, selective heating occurs, resulting in the CNT synthesis
even on organic polymer substrates. Various shapes of carbon nanotubes
and nanofibers were observed as well as amorphous carbons. Flexible
field emitters were fabricated based on these findings.  The fabrication
process includes (1) sputter deposition of Cr cathode on organic polymer
substrate, (2) sputter deposition of Co catalysts, and (3) in situ
synthesis of carbon nanotubes by microwave irradiation. This novel
method is an important advancement to the fabrication of flexible CNT
electronic devices.

 

Bio:                  Dr. Lee received his B.S. in chemical engineering
from Seoul National University and his M.S. from the Korea Advanced
Institute of Science and Technology.  He received his doctorate in
chemical engineering from the University of Delaware.  In 1986 he was a
visiting scientist at Universitat Dortmund (Germany) and since 1987 has
been a professor at Pohang University of Science and Technology (Korea).
In 1992 he became JSPS fellow, Kyushu University (Japan) and from
1997-2002 he was Professeur Invite, Institut Nationale de la Recherche
Scientifique (Canada).

 

Additional Info:   Sponsored by Calit2 and the INRF. For more
information, contact Goran Matijasevic, goran at uci.edu or (949) 378-5323.

 

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