If ZnO nanorods were added, which could prevent combination of electron and cavity, the degradation rate of the reactive blue KN-R could reach 84.33% after 8 hours.

• 由于ZnO掺杂阻止了光生电子-空穴对的复合，8h活性蓝KN-R染料降解率达到了84.；33%25。