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Zhejiang University
Photosensitization reactions for the generation of reactive oxygen species (ROS) play crucial roles in many applications, including energy conversion, organic waste decomposition, and photodynamic therapy (PDT). Using near-infrared (NIR) light for photosensitization is attractive because NIR excitation offers deeper penetration through various media such as wastewater and biological tissues. However, conventional approaches for NIR photosensitization are hampered by low conversion efficiency and difficulties in molecular designs. ZHOU Min from the Zhejiang University Institute of Translational Medicine and DENG Renren from the Zhejiang University School of Materials Science and Engineering co-developed a facile lanthanide-triplet sensitization method to realize high-performance NIR photosensitization by adopting lanthanide nanoparticle-organic photosensitizer nanoconjugates. This method enables efficient ROS generation at ultralow NIR irradiance, which is potenti