Table 1.

The k_a and k_b model constants for the degradation experiments using ZnO and Ag/ZnO thin-film photocatalyst.

Initial Dye Conc. (mg/L)	ZnO Thin-Film Photocatalyst		Ag/ZnO Thin-Film Photocatalyst
	ka Model Const. (min−1)	kb Model Const. (L/mg)	ka Model Const. (min−1)	kb Model Const. (L/mg)
20	0.0083	0.0063	0.0129	0.00971
30	0.0076	0.0063	0.0108	0.00994
35	0.0070	0.0064	0.0097	0.00962
40	0.0065	0.0062	0.0092	0.00991
Temperature (πC)
20	0.0083	0.0063	0.0129	0.00971
30	0.0103	0.0065	0.0180	0.00972
40	0.0123	0.0064	0.0200	0.00924
50	0.0168	0.0065	0.0253	0.00966
Light Intensity (W/m2)
44	0.0083	0.0063	0.0129	0.00971
88	0.0118	0.0065	0.0195	0.00975
132	0.0181	0.0064	0.0284	0.00980