Figure 3.

PSRFs' reflectance spectra prepared using varied sinusoidal current densities and cycled 30 times. The densities were from 10 to 50 mA cm^-2, and the different periods for the curves (a to g) were 5.52, 4.83, 4.14, 3.893, 3.105, 2.76, and 2.415 s, respectively.