. 2014 Nov 29;9(1):646. doi: 10.1186/1556-276X-9-646
Copyright © 2014 Chen 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/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
Figure 2.
FT-IR spectra of GO, GO-OH, GO = O, and GO-OOH.