Figure 3.

Photocatalytic degradation of R6G in the visible light region without and with different photocatalysts. (a) Remaining percentage of R6G vs. irradiation time. (b) ln (C/C0) vs. irradiation time. Initial R6G concentration at 10−5 M; temperature of 25°C.

Lin et al. Nanoscale Research Letters 2013 8:325   doi:10.1186/1556-276X-8-325
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