1. School of Environmental Science and Engineering
2. Shaanxi University of Science & Technology
3. Xi'an 710021
4. China
5. Department of Environmental Science and Engineering
6. Xi'an Jiaotong University
7. Xi'an 710049
8. Key Lab of Aerosol Chemistry & Physics
9. SKLLQG
10. Institute of Earth Environment
11. Chinese Academy of Sciences
12. Research Unit Plasma Technology
13. Department of Applied Physics
14. Faculty of Engineering and Architecture
15. Ghent University
16. 9000 Ghent