“…S4 †), which were monitored by measuring the intensity changes of the maximum UV absorption peaks of MB and NR solutions in the dark. 35,36 Complexes 1-3 showed good adsorption activities for MB with satisfactory removal rates of 92% for 1, 89% for 2, and 76% for 3 within 4-19 hours (Fig. 9a-c); the removal rates were 85% and 87% toward NR for 1 and 3, respectively, within 4-11 hours (Fig.…”