The MOE Key Laboratory of Resources and Environmental System Optimization;
College of Environmental Science and Engineering;
North China Electric Power University;
Beijing 102206;
China;
Institute of Nuclear and New Energy Technology;
Tsinghua University;
Beijing 100084;
China;
Nuclear Research Institute for Future Technology and Policy;
Seoul National University;
Seoul 08826;
Republic of Korea;
Carbon dots; Polyurethane; Uranium; Photocatalyst; Air atmosphere;