Journal of the American Chemical Society, volume 134, issue 32, pages 13310-13315

A simple road for the transformation of few-layer graphene into MWNTs

Quintana Mildred 1
Spyrou Konstantinos 2
Calvaresi Matteo 3
Bals Sara 4
Kooi B.J. 2
Van Tendeloo Gustaaf 4
Rudolf Petra 2
Zerbetto F. 3
Publication typeJournal Article
Publication date2012-05-18
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15
ISSN00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
We report the direct formation of multiwalled carbon nanotubes (MWNT) by ultrasonication of graphite in dimethylformamide (DMF) upon addition of ferrocene aldehyde (Fc-CHO). The tubular structures appear exclusively at the edges of graphene layers and contain Fe clusters. Fc in conjunction with benzyl aldehyde, or other Fc derivatives, does not induce formation of NT. Higher amounts of Fc-CHO added to the dispersion do not increase significantly MWNT formation. Increasing the temperature reduces the amount of formation of MWNTs and shows the key role of ultrasound-induced cavitation energy. It is concluded that Fc-CHO first reduces the concentration of radical reactive species that slice graphene into small moieties, localizes itself at the edges of graphene, templates the rolling up of a sheet to form a nanoscroll, where it remains trapped, and finally accepts and donates unpaired electron to the graphene edges and converts the less stable scroll into a MWNT. This new methodology matches the long held notion that CNTs are rolled up graphene layers. The proposed mechanism is general and will lead to control the production of carbon nanostructures by simple ultrasonication treatments.

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Quintana M. et al. A simple road for the transformation of few-layer graphene into MWNTs // Journal of the American Chemical Society. 2012. Vol. 134. No. 32. pp. 13310-13315.
GOST all authors (up to 50) Copy
Quintana M., Grzelczak M., Spyrou K., Calvaresi M., Bals S., Kooi B., Van Tendeloo G., Rudolf P., Zerbetto F., Prato M. A simple road for the transformation of few-layer graphene into MWNTs // Journal of the American Chemical Society. 2012. Vol. 134. No. 32. pp. 13310-13315.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/ja303131j
UR - https://doi.org/10.1021%2Fja303131j
TI - A simple road for the transformation of few-layer graphene into MWNTs
T2 - Journal of the American Chemical Society
AU - Van Tendeloo, Gustaaf
AU - Quintana, Mildred
AU - Grzelczak, Marek
AU - Spyrou, Konstantinos
AU - Calvaresi, Matteo
AU - Bals, Sara
AU - Kooi, B.J.
AU - Rudolf, Petra
AU - Zerbetto, F.
AU - Prato, Maurizio
PY - 2012
DA - 2012/05/18 00:00:00
PB - American Chemical Society (ACS)
SP - 13310-13315
IS - 32
VL - 134
SN - 0002-7863
SN - 1520-5126
ER -
BibTex |
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BibTex Copy
@article{2012_Quintana,
author = {Gustaaf Van Tendeloo and Mildred Quintana and Marek Grzelczak and Konstantinos Spyrou and Matteo Calvaresi and Sara Bals and B.J. Kooi and Petra Rudolf and F. Zerbetto and Maurizio Prato},
title = {A simple road for the transformation of few-layer graphene into MWNTs},
journal = {Journal of the American Chemical Society},
year = {2012},
volume = {134},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021%2Fja303131j},
number = {32},
pages = {13310--13315},
doi = {10.1021/ja303131j}
}
MLA
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MLA Copy
Quintana, Mildred, et al. “A simple road for the transformation of few-layer graphene into MWNTs.” Journal of the American Chemical Society, vol. 134, no. 32, May. 2012, pp. 13310-13315. https://doi.org/10.1021%2Fja303131j.
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