. 2014 Jun 9;9(1):288. doi: 10.1186/1556-276X-9-288
Copyright © 2014 Chouit et al.; licensee Springer.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
Figure 1.
HR-TEM (a) and SEM (b) micrographs of N-MWNTs.