State Key Joint Laboratory of Environmental Simulation and Pollution Control;
College of Environmental Sciences and Engineering;
Peking University;
Beijing 100871;
China;
Atmospheric Science;
Department of Chemistry and Molecular Biology;
University of Gothenburg;
Gothenburg 412 96;
Sweden;
Division of Environment and Sustainability;
Hong Kong University of Science and Technology;
Clear Water Bay;
Kowloon;
Hong Kong;
China;
Shanghai Academy of Environmental Sciences;
Shanghai 200233;
China;
School of Energy and Environment;
City University of Hong Kong;
Tat Chee Avenue;
Kowloon;
Hong Kong;
China;