International Journal of Photoenergy / 2014 / Article / Fig 3

Research Article

Band-Gap Engineering of NaNbO3 for Photocatalytic H2 Evolution with Visible Light

Figure 3

(a) UV-visible absorption spectra of the as-prepared NaNbO3 and La, Co codoped NaNbO3. (b) The corresponding curves of the as-prepared NaNbO3 and La, Co codoped NaNbO3.
380421.fig.003a
(a)
380421.fig.003b
(b)