Effect of Water Filling on the Electronic and Vibrational Resonances of Carbon Nanotubes: Characterizing Tube Opening by Raman Spectroscopy

Water accessibility of single wall carbon nanotubes (SWCNTs) can be monitored by resonant Raman spectroscopy (RRS) (see figure and cover) of the radial breathing modes of bile salt‐solubilized CNTs. The RRS features of empty and water‐filled CNTs can be very well resolved, and vibrational and electr...

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Bibliographic Details
Published in:	Advanced materials (Weinheim) Vol. 19; no. 17; pp. 2274 - 2278
Main Authors:	Wenseleers, W., Cambré, S., Čulin, J., Bouwen, A., Goovaerts, E.
Format:	Journal Article
Language:	English
Published:	Weinheim WILEY-VCH Verlag 03-09-2007 WILEY‐VCH Verlag
Subjects:	Carbon nanotubes Carbon nanotubes, single‐walled Raman spectroscopy single-walled Structure-property relationships Surfactants
Online Access:	Get full text
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Summary:	Water accessibility of single wall carbon nanotubes (SWCNTs) can be monitored by resonant Raman spectroscopy (RRS) (see figure and cover) of the radial breathing modes of bile salt‐solubilized CNTs. The RRS features of empty and water‐filled CNTs can be very well resolved, and vibrational and electronic shifts and broadenings have been accurately determined. The results also lead to a simple ratiometric method to quantify tube opening under various chemical and mechanical treatments.
Bibliography:	Institute for the Promotion of Innovation FWO - No. G.0041.01; No. G.0129.07 ark:/67375/WNG-S5GP6T4B-J ArticleID:ADMA200700773 W.W. is a postdoctoral fellow of the Fund for Scientific Research Flanders, Belgium (FWO-Vlaanderen), which also granted J.Č. a visiting postdoctoral fellowship. S.C. thanks the Institute for the Promotion of Innovation through Science and Technology in Flanders (IWT-Vlaanderen) for a Ph.D. grant. Financial support from FWO (projects G.0041.01 and G.0129.07) is kindly acknowledged. We thank D. Polus (Univ. of Hasselt) for help with the high-temperature high-vacuum treatment, and A. Herman, L. Moens, and S. Dewilde for the use of the ultracentrifuge. istex:1E333C7F80E2E0E3E5BC554291D9909883FBA2E6 W.W. is a postdoctoral fellow of the Fund for Scientific Research Flanders, Belgium (FWO‐Vlaanderen), which also granted J.Č. a visiting postdoctoral fellowship. S.C. thanks the Institute for the Promotion of Innovation through Science and Technology in Flanders (IWT‐Vlaanderen) for a Ph.D. grant. Financial support from FWO (projects G.0041.01 and G.0129.07) is kindly acknowledged. We thank D. Polus (Univ. of Hasselt) for help with the high‐temperature high‐vacuum treatment, and A. Herman, L. Moens, and S. Dewilde for the use of the ultracentrifuge. ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0935-9648 1521-4095
DOI:	10.1002/adma.200700773