The increasing cancer morbidity and mortality requires the development of high-efficiency
and low-toxicity anticancer approaches. In recent years, photodynamic therapy (PDT) has
attracted much attention in cancer therapy due to its non-invasive features and low side
effects. Photosensitizer (PS) is one of the key factors of PDT, and its successful delivery
largely determines the outcome of PDT. Although a few PS molecules have been approved
for clinical use, PDT is still limited by the low stability and poor tumor targeting capacity of …