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. 2020 Apr 1;5(14):7823–7835. doi: 10.1021/acsomega.9b03998

Table 1. Percentage of Degradation, Rate Constant (k), and R2 of Co3O4-Catalyzed Dye Degradation under Visible Light Irradiationa.

    degradation at 40 min (%)
 rate constant (k, mol m–3 h–1)
 R2
dye molecular formula WC PC WC PC WC PC
MR C15H15N3O2 33.9 95.3 0.16 8.2 0.97 0.98
EBT C20H12N3O7SNa 22.6 94.3 1.12 2.9 0.95 0.95
BPB C19H10Br4O5S 26.7 89.8 0.39 2.8 0.94 0.97
MG C23H25ClN2 1.81 93.7 0.30 7.0 0.96 0.99
a

WC: without catalyst; PC: presence of light and Co3O4 NPs.