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Table 2 Pseudo first-order kinetic rate constant (k), regression coefficient (R2) and % of degradation of different photocatalysts for RhB dye under visible light irradiation

From: Enhanced photocatalytic performance of Nb doped TiO2/reduced graphene oxide nanocomposites over rhodamine B dye under visible light illumination

Photocatalyst Rhodamine B % of degradation
k × 10−4 in min−1 R2
NT 1.7 0.95 79
NTG1 3.0 0.96 93
NTG5 4.0 0.93 98
NTG10 2.6 0.91 92