Photoreactivity of Metal-Organic Frameworks in Aqueous Solutions: Metal Dependence of Reactive Oxygen Species Production.
作者： Kai Liu , Yanxin Gao , Jing Liu , Yifan Wen , Yingcan Zhao
关键词: Singlet oxygen 、 Organic chemicals 、 Metal 、 Reactive oxygen species 、 Aqueous solution 、 Photochemistry 、 Chemistry 、 Inorganic chemistry 、 Metal-organic framework 、 Hydroxyl radical
摘要: Promising applications of metal–organic frameworks (MOFs) in various fields have raised concern over their environmental fate and safety upon inevitable discharge into aqueous environments. Currently, no information regarding the transformation processes MOFs is available. Due to presence repetitive π-bond structure semiconductive property, photochemical transformations are an important process that affects performance practical applications. In current study, generation reactive oxygen species (ROS) isoreticular MIL-53s was studied. Scavengers were employed probe production 1O2, O2•–, •OH, respectively. general, MIL-53(Cr) MIL-53(Fe) dominated by type I II photosensitization reactions, respectively, MIL-53(Al) appears be less photoreactive. The ROS may underestimated due dismutation. Further investigation encapsulated diclofenac revealed can be...
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