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          Institute: MPI für Kernphysik     Collection: Carbon Molecule Research     Display Documents



ID: 60419.0, MPI für Kernphysik / Carbon Molecule Research
High-yield fullerene encapsulation in single-wall carbon nanotubes
Authors:Kataura, H.; Maniwa, Y.; Kodama, T.; Kikuchi, K.; Hirahara, K.; Suenaga, K.; Iijima, S.; Suzuki, S.; Achiba, Y.; Krätschmer, W.
Language:English
Date of Publication (YYYY-MM-DD):2001-03-15
Title of Journal:Synthetic Metals
Volume:121
Issue / Number:1-3
Start Page:1195
End Page:1196
Copyright:Copyright © 2001 Elsevier Science B.V. All rights reserved.
Review Status:not specified
Audience:Experts Only
Abstract / Description:We have successfully synthesized single-wall carbon nanotubes encapsulating specified fullerenes (peapods) in high yield using a sublimation method. Side and section images by HRTEM indicate that almost all nanotubes are filled with high-density fullerene chains. We measured Raman spectra to estimate macroscopic yield. The observed Raman intensity of C70 molecules in the C70-peapods is 1/10 of that in C70 film, which indicates a filling rate of C70 to be higher than 26 %. In the case of C60-peapods, Raman spectrum has changed rapidly by laser irradiation. Since the final spectrum at room temperature is similar to that of the orthorhombic polymer phase, a formation of one-dimensional photopolymers inside SWNTs is suggested.
Free Keywords:Infrared and Raman spectroscopy, Fullerenes and derivatives.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group K. Mauersberger/Carbon Clusters and Fullerene Chemistry (W. Krätschmer)
External Affiliations:Department of Physics, Faculty of Science, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Hachiohji, Tokyo, 192-0397, Japan, Department of Chemistry, Faculty of Science, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Hachiohji, Tokyo, 192-0397, Japan, Japan Science and Technology Corporation, ICORP, Department of Physics, Meijo University, Nagoya 468-8502, Japan
Identifiers:URL:www.elsevier.com/locate/synmet
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