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Photodynamic therapy (PDT) based on the reactive oxygen species (ROS) produced by photosensitizers (PS) upon irradiation is a noninvasive modality for thetreatment of various diseases.However,its efficiency is often limited by many factors,such as the insolubility of PS,short reactive ranges (0.01-0.02 μm) of 1O2 and other ROSs[1].