Employment
2023 – present Associate Professor, Nanjing-Helsinki Institute in Atmospheric and Earth System Sciences, Nanjing University
2022 - 2023 Associate Professor, School of Atmospheric Sciences, Nanjing University
2018 - 2021 Postdoctoral research, University of Helsinki
2012 - 2013 Research assistant, Hong Kong Polytechnic University
Research Interests
Atmospheric new particle formation
Formation mechanism of (Highly) Oxygenated Organic Molecules
Analytical techniques of chemical ionization mass spectrometry
Research Fundings
我国东部典型城市大气低挥发性有机物与颗粒物增长量化关系研究, 国家自然科学基金面上项目，2025-2028，48万，项目负责人。
大气多相全氧化态有机组分在线测量质谱仪研制，国家自然科学基金国家重大科研仪器研制项目，2024-2028，160万，主要参与人。
机载多污染物与云水化学高灵敏探测技术，国家重点研发计划，2023-2027，360万，课题负责人。
Selected Publications
1. Yan, C.#, Tham, Y.J.#,…, Ding, A.*, Kulmala, M.*. Increasing contribution of nighttime nitrogen chemistry to wintertime haze formation in Beijing observed during COVID-19 lockdowns. Nat. Geosci. 16, 975–981 (2023). https://doi.org/10.1038/s41561-023-01285-1
2. Nie, W.#,*, Yan, C.#, Yang, L.,… Ding A.*. NO at low concentration can enhance the formation of highly oxygenated biogenic molecules in the atmosphere. Nat. Commun. 14, 3347 (2023). https://doi.org/10.1038/s41467-023-39066-4
3. Xia, M., Yan. C.,* et al. (2023). Observations and modeling of gaseous nitrated phenols in urban Beijing: Insights from seasonal comparison and budget analysis. Journal of Geophysical Research: Atmospheres, 128, e2023JD039551. https://doi.org/10.1029/2023JD039551
4. Wei Nie#, Chao Yan#, Dandan Huang#, Zhe Wang#, … Jingkun Jiang*, Aijun Ding*, Secondary organic aerosol formed by condensing anthropogenic vapours over China’s megacities, Nat. Geosci., 2022, 15 (4), 255-261.
5. Guo, Y., Yan, C.*, et al. Seasonal variation in oxygenated organic molecules in urban Beijing and their contribution to secondary organic aerosol, Atmos. Chem. Phys., 22, 10077–10097, https://doi.org/10.5194/acp-22-10077-2022, 2022.
6. Yan, C., , Ding, A.*, Jiang, J.*, and Kulmala, M.*: The effect of COVID-19 restrictions on atmospheric new particle formation in Beijing, Atmos. Chem. Phys., 22, 12207–12220, https://doi.org/10.5194/acp-22-12207-2022, 2022.
7. Chao Yan, … Markku Kulmala*, The synergistic role of sulfuric acid, bases, and oxidized organics governing new‐particle formation in Beijing, 2021, Geophys.Res. Lett., 48 (7) e2020GL091944.
8. Xiaohui Qiao, Chao Yan*, … Jingkun Jiang*, Contribution of Atmospheric Oxygenated Organic Compounds to Particle Growth in an Urban Environment, Environ. Sci. Technol., 2021, 55 (20), 13646-13656.
9. Yishuo Guo, Chao Yan* et al., Formation of nighttime sulfuric acid from the ozonolysis of alkenes in Beijing, Atmos. Chem. Phys., 2021, 21 (7), 5499-5511.
10. Zhou, Y., Hakala, S., Yan, C.*, et al. Measurement report: New particle formation characteristics at an urban and a mountain station in northern China, Atmos. Chem. Phys., 21, 17885–17906, https://doi.org/10.5194/acp-21-17885-2021, 2021.
11. Chao Yan#,*, Wei Nie#, et al., Size-dependent influence of NOx on the growth rates of organic aerosol particles, Sci. Adv., 2020, 6 (22), eaay4945.
12. Chao Yan, … Tao Wang*, Fast heterogeneous loss of N2O5 leads to significant nighttime NOx removal and nitrate aerosol formation at a coastal background environment of southern China, Sci. Tot. Environ., 2019, 677, 637-647.
13. Yanjun Zhang*, … Chao Yan* et al., A novel approach for simple statistical analysis of high-resolution mass spectra, Atmos. Meas. Tech., 2019, 12 (7), 3761-3776.
14. Chao Yan* et al., The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest, Atmos. Chem. Phys., 2018, 18 (17), 13231-13243.
15. Katrianne Lehtipalo#,*, Chao Yan#, et al., Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors, Sci. Adv., 2018, 4 (12), eaau5363.
16. Chao Yan*, Wei Nie*, et al., Source characterization of highly oxidized multifunctional compounds in a boreal forest environment using positive matrix factorization, 2016, Atmos. Chem. Phys., 16 (19), 12715-12731.
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