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Novel Structure of Fullerenes and Endohedral Fullerenes

Published online by Cambridge University Press:  10 February 2011

Chun-Ru Wang ,
Chun-Li Bai  and
Hisanori Shinohara
Chun-Ru Wang
Affiliation:
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
Chun-Li Bai
Affiliation:
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China
Hisanori Shinohara
Affiliation:
Department of Chemistry, Nagoya University, Nagoya 464-8602, Japan
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Abstract

By using Krätschmer-Huffman synthesis and HPLC separation method we have isolated a series of novel fullerenes and endohedral fullerenes. Various spectroscopic techniques, e.g., MS, NMR, UV-vis-NIR, TEM, X-ray diffraction spectrometry etc., were adopted to characterize the isolated fullerenes. Several fullerenes were revealed to hold novel structures and electronic properties. For examples, C80(D5d) was isolated and characterized to have an ellipsoidal structure which is in fact one of the shortest SW-nanotubes; The isolation of Sc2@C66 breaks the well-known isolated-pentagon-rule (IPR) for the first time, which shows that the unconventional fullerenes may be dramatically stabilized through encaging metal atoms; Sc2C2@C84 is a novel molecular endohedral fullerene in which the Sc2C2 cluster rotates rapidly along the main C2 axis of C84(D2d). This fullerene is predicted to be a molecular magnet and may be used as nano-switcher in electronics.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 775: Symposium P – Self-Assembled Nanostructured Materials , 2003 , P10.3
Copyright
Copyright © Materials Research Society 2003

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