Research Article

Interdigitated Electrophotocatalytic Cell for Water Purification

Figure 3

Visible spectra of rhodamine 6G during photocatalytic degradation. (a) Without bias (open-circuit conditions). Exposure times are 0, 6, 24, and 70 hrs. (b) Under positive bias of 200 mV. Exposure times are 0, 4, 25, 50, and 72 hrs.
596710.fig.003a
(a)
596710.fig.003b
(b)