High-pressure Raman study of peapod- and CVD-grown double-wall carbon nanotubes

Author: Arvanitidis J.   Christofilos D.   Kourouklis G. A.   Ves S.   Takenobu T.   Iwasa Y.   Kataura H.  

Publisher: Taylor & Francis Ltd

ISSN: 0895-7959

Source: International Journal of High Pressure Research, Vol.29, Iss.4, 2009-12, pp. : 554-558

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Abstract

The pressure response of the tangential G band of double-wall carbon nanotubes (DWCNTs) synthesised by means of catalytic chemical vapour deposition is compared with that of their peapod-derived analogues. For both samples, the screening of the pressure exerted on the internal tubes is reflected in the pressure response of the corresponding G peaks. The different nanotube diameter and intratube spacing distributions in the two studied DWCNT materials differentiate the pressure dependence of several G band components.

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