Figure 6.

Room temperature optical absorbance spectra of CeO2nanospheres and plot of (αhv)2. (a) Room temperature optical absorbance spectra of CeO2 nanospheres using Ce(NO3)3·6H2O as starting materials. (b) Plot of (αhv)2 as a function of photon energy for the CeO2 nanospheres.

Phokha et al. Nanoscale Research Letters 2012 7:425   doi:10.1186/1556-276X-7-425
Download authors' original image