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Novel approaches for controlling stage structure of metal chloride–graphite intercalation compounds

Published online by Cambridge University Press:  31 January 2011

H. Shioyama ,
M. B. H. M. Saman  and
A. Sanpanich
H. Shioyama*
Affiliation:
National Institute of Advanced Industrial Science and Technology, Midorigaoka, Ikeda, Osaka 563–8577, Japan
M. B. H. M. Saman
Affiliation:
Standard and Industrial Research Institute of Malaysia, P.O. Box 7035, 40911 Shah Alam, Malaysia
A. Sanpanich
Affiliation:
Mahidol University, Salaya, Nakhon-prathom 73170, Thailand
*
a)Address all correspondence to this author.shioyama.h@aist.go.jp
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Abstract

Intercalation of EuCl3 TbCl3, and AlCl3 into graphite was carried out in the presence of chlorine. The observation of products by x-ray diffraction showed that the extent of chloride intercalation could be controlled through adjustment of the pressure of chlorine; increasing pressure tended to increase the extent of intercalation. In the case of EuCl3, the extent of intercalation varied to show a stage transition. In contrast, TbCl3 intercalation gave a mixture of stage 2 or stage 4 graphite intercalation compound (GIC) and remaining graphite, where the extent of intercalation is revealed by the ratio of GIC to graphite. With respect to AlCl3 intercalation, although the preparation of stage 1, 2, and 4 GICs was successful, stage 3 and 5 GICs could not be obtained.

Type
Articles
Information
Journal of Materials Research , Volume 17 , Issue 12 , December 2002 , pp. 3190 - 3192
Copyright
Copyright © Materials Research Society 2002

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