[2] F Du Z, T Wang T, Y Tan T et al. Atmospheric Environment, 206, 293(2019).

[3] C Liu, S Wang S, Z Xing C et al. Atmospheric Chemistry and Physics, 17, 14275(2017).

[5] S Wang S, Z Xing C, C Liu et al. Atmospheric Measurement Techniques, 12, 3289(2019).

[6] J Fan S, L Liu, B Tan H et al. Atmospheric Environment, 131, 196(2016).

[8] Q Hong Q, H Hu Q, C Liu et al. Atmospheric Research, 228, 206(2019).

[10] S Jing J, F Wu Y, J Tao et al. Particuology, 18, 144(2015).

[12] J Xu, J Tao, R Zhang et al. Atmospheric Research, 109-110, 25(2012).

[13] Q Hu, C Liu, X Zhang C et al. Light: Science & Applications, 8, 100(2019).

[14] N Ma, S Zhao C, A Nowak et al. Atmospheric Chemistry and Physics, 11, 5959(2011).