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Table 1 Photo degradation rate constants and linear regression coefficients of different catalysts from equation − ln(C/C0) = kt.

From: Fabrication of Z-scheme Ag3PO4/TiO2 Heterostructures for Enhancing Visible Photocatalytic Activity

  K (min−1) Regression equation R 2
TiO2400/Ag3PO4 0.02286 − ln(C/C0) = 0.02286x + 0.21496 R2 = 0.68755
TiO2500/Ag3PO4 0.01513 − ln(C/C0) = 0.01513x + 0.15984 R2 = 0.753
Ag3PO4 0.01148 − ln(C/C0) = 0.01148x + 0.1079 R2 = 0.71128
TiO2300/Ag3PO4 0.00525 − ln(C/C0) = 0.00525x + 0.06354 R2 = 0.82635
TiO2400 0.00345 − ln(C/C0) = 0.00345x + 0.0383 R2 = 0.78461