Enhanced catalytic oxidation performance of F-Ti-MWW through the synergistic effect of anion and cation

The catalytic performance of F-Ti-MWW towards the epoxidation of 1-hexene with H2O2 was enhanced dramatically, which was attributed to the synergistic effects between anion and cation in the inorganic salt. The negative influence of F− in the SiO4/2F− units was eliminated selectively by convenient anion-exchange and cation-neutralize with various alkali chlorides.