. 2012 May 30;7(1):276. doi: 10.1186/1556-276X-7-276
Copyright ©2012 Feng 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 cited.
Figure 8.
UV–vis absorption spectra of the Cu 2 O samples.