Table 1. Summary of Rate Constant and Percentage Dye Degradation of DO26.

	absorbance (λ = 495 nm)				retention rate (100%)
catalyst	DO26 (50 mg/L)	0 min	18 min	degradation rate (100%)	0 min	18 min	first-order rate constant (min–1)
G-AgNPs	1.1538	0.458	0.1246	72.79	39.69	10.80	0.0818
C-AgNPs		0.0906	0.0539	40.51	7.85	4.67	0.0359
control		0.3718	0.2934	21.09	32.22	25.43	0.0138