Liu Yongchun

First and corresponding author papers:

69. Yusheng Zhang, Feixue Zheng, Xiaolong Fan, Chaofan Lian, Weigang Wang*, Zemin Feng, Ying Zhang, Zhuohui Lin, Chang Li, Gen Zhang, Chao Yan, Federico Bianch, Tuukka Petäjä, Juha Kangasluoma, and Markku Kulmala, Yongchun Liu*. Concentration and source changes of HONO during the COVID-19 epidemic event in Beijing. Atmos. Chem. Phys.,2024, 24, 8569–8587.

68. Jinwen Li, Chenjie Hua, Li Ma, Kaiyun Chen, Feixue Zheng, Qingcai Chen, Xiaolei Bao, Jun Cao, Rongfu Xie, Donghai Xie, Federico Bianchi, Veli-Matti Kerminen, Tuukka Petäjä, Markku Kulmala, Yongchun Liu*. Key Drivers of the Oxidative Potential of PM_2.5 in Beijing in the Context of Air Quality Improving from 2018 to 2022. Environ. Int., 2024, 187, 108724.

67. Boying Song, Zongcheng Wang, Wei Ma, Wenshuo Zhou, Qiong Tang*, Xiaolei Bao*, Kuo Liu and Yongchun Liu*.Photocatalytic oxidation mechanism of isoprene over titanium oxide by UV-Vis lights. J. Catal., 2024, 430, 115362.

66. Chenjie Hua, Wei Ma, Feixue Zheng, Yusheng Zhang, Chao Yan, Hongyan Li, Zhen Liu, Qian Liu, Markku Kulmala, Yongchun Liu*. Health risks and sources of highly toxic inorganic components in PM_2.5 from 2019 to 2021 in Beijing. J. Environ. Sci., 2024, 142, 69-82.

65. Pengkun Ma, Jiannong Quan*, Youjun Dou,Yubing Pan, Zhiheng Liao, Xiujuan Zhao, Zhigang Cheng, Xingcan Jia, Qianqian Wang, Junlei Zhan, Wei Ma, Feixue Zheng, Yuzheng Wang, Yusheng Zhang, Chenjie Hua, Boying Song, Chao Yan, Markku Kulmala, Yangang Liu, Xin Huang, Yongchun Liu*. Regimes in nocturnal nitrate formation via N₂O₅ hydrolysis and its implication in future nitrate control.Geophys. Res. Lett., 2023, 50 (24), e2023GL106183. 

64. Wei Ma, Xin Chen, Men Xia, Yafei Liu, Yuzheng Wang, Yusheng Zhang, Feixue Zheng, Junlei Zhan, Chenjie Hua, Zongcheng Wang, Markku Kulmala, Yongchun Liu*. Reactive chlorine species advancing the atmospheric oxidation capacity of inland urban environments. Environ. Sci. Technol., 2023, 57(39), 14638–14647.

63. Junlei Zhan, Feixue Zheng, Rongfu Xie, Biwu Chu*, Jinzhu Ma, Donghai Xie, Xinxin Meng, Qing Huang, Hong He, Yongchun Liu*. The Role of NOx in Co-occurrence of O₃ and PM_2.5 Pollution Driven by Wintertime East Asian Monsoon in Hainan. J. Envrion. Manag, 2023, 345, 118645.

62. Wenshuo Zhou, Heping Li, Boying Song, Wei Ma, Zhikun Liu, Zongcheng Wang, Zhongjun Xu*, Liwei Meng, Yafei Wang, Xiaoxiao Qin, Changbin Zhang, Hui Li, Yongchun Liu*. Catalytic oxidation mechanism of toluene over CexMn_1-xO₂: the role of oxygen vacancies in adsorption and activation of toluene.Langmuir, 2023, 39(24), 8503–8515.

61.Junlei Zhan, Wei Ma, Boying Song, Zongcheng Wang, Xiaolei Bao*, Hong-Bin Xie, Biwu Chu, Hong He, Tao Jiang, Yongchun Liu*. The contribution of industrial emissions to ozone pollution: Identified using ozone formation path tracing approach. npj Clim. Atmos. Sci. 2023,6: 37.

60. Jun Cao, Jiali Xie, Juan Sun, Jinwen Li, Zheng Xu, Chenjie Hua, Yusheng Zhang, Boying Song, Yongchun Liu*. Influence of ammonium sulfate and ammonium nitrate on the properties of ambient PM_2.5 in Zhenjiang (in Chinese).Environ. Sci., 2023, 44(10), 5356-5369.

59. Zhikun Liu, Weiming Qian, Min Chen, Wenshuo Zhou, Boying Song, Bo Zhang, Xiaolei Bao, Qiong Tang, Yongchun Liu*, Changbin Zhang*. Electrocatalytic oxidation of gaseous toluene in an all-solid cell using a foam Ti/Sb-SnO₂/β-PbO₂ anode. J. Envion. Sci. 2023, 134, 77-85.

58. Yuanhong Shang, Yongchun Liu*, Jinfeng Tian, Changgeng Liu*, Xuejun Zhu, Jun Wang, Dandan Chen, Wei Tao. Heterogeneous kinetics of the OH-initiated degradation of fenthion and parathion. J. Environ. Sci. 2023, 133, 161-170.

57. Xirong Zhang, Zhongjun Xu,*, Mengyun Jiang, Shaobo Chen, Zizhen Han, Ying Liu, Yongchun Liu*.Enhanced activity of CuOy/TNTs doped by CeOx for catalytic ozonation of 1,2-ichloroethane at normal temperatures: Performance and catalytic mechanism. Sep. Purif. Technol. 2023,311, 123255.

56. Yongchun Liu*, Junlei Zhan, Feixue Zheng, Boying Song, Yusheng Zhang, Wei Ma, Chenjie Hua, Jiali Xie, Xiaolei Bao*, Chao Yan, Federico Bianchi, Tuukka Petäjä, Aijun Ding, Yu Song, Hong He, Markku Kulmala. Dust emission reduction enhanced gas-to-particle conversion of ammonia in the North China Plain. Nat. Comm. 2022,13(1): 6887.

55. Wei Ma, Feixue Zheng, Yusheng zhang, Xin Chen, Junlei Zhan, Chenjie Hua, Boying Song, Zongcheng Wang, Jiali Xie, Chao Yan, Markku Kulmala, Yongchun Liu*. Weakened gas-to-particle partitioning of oxygenated organic molecules in liquified aerosol particles. Environ. Sci. Technol. Lett. 2022, 9(10), 837–843.

54. Li Ma, Ying Zhang, Zhuohui Lin, Ying Zhou, Chao Yan, Zemin Feng, Feixue Zheng, Xiaolong Fan, Yusheng Zhang, Chang Li, Yishou Guo, Wenshuo Zhou, Zhikun Liu, Wei Ma, Chenjie Hua, Xiaoxiao Li, Chenjuan Deng, Yu Qi, Lubna Dada, Hongyan Li, Federico Bianchi, Tuukka Petäjä, Juha Kangasluoma, Jingkun Jiang, Sijin Liu, Tareq Hussein, Markku Kulmala and Yongchun Liu*. Deposition potential of 0.003–10 μm ambient particles in the humidified human respiratory tract: Contribution of new particle formation events in Beijing. Ecotoxic. Environ. Saf. 2022, 243, 114023.

53. Chaofan Lian, Weigang Wang*, Yan Chen, Yusheng Zhang, Jingwei Zhang, Yongchun Liu*, Xiaolong Fan, Chang Li, Junlei Zhan, Zhuohui Lin, Chenjie Hua, Wenyu Zhang, Mingyuan Liu, Junling Li, Xuefei Wang, Junling An, Maofa Ge*. Long-term winter observation of nitrous acid in the urban area of Beijing. J. Environ. Sci. 2022, 114, 334-342.

52. Wei Ma, Zemin Feng, Junlei Zhan, Yongchun Liu*, Pengfei Liu, Chengtang Liu, Qinxing Ma, Kang Yang, Yafei Wang, Hong He, Markku Kulmala, Yujing Mu, Junfeng Liu*. Influence of photochemical loss of VOCs on understanding ozone formation mechanism. Atmos. Chem. Phys. 2022, 22, 4841-4851.

51. Junlei Zhan, Yongchun Liu*, Wei Ma, Zhenhai Wu, Hong Li*. Ozone formation sensitivity study using machine learning coupled with reactivity of volatile organic compound species. Atmos. Meas. Tech. 2022, 15(5), 1511-1520.

50. Wei Ma, Yongchun Liu*, Yusheng zhang, Zemin Feng, Junlei Zhan, Chenjie Hu, Li Ma, Yishuo Guo, Ying Zhang, Wenshuo Zhou, Chao Yan, Biwu Chu, Tianzeng Chen, Qingxin Ma, Chunshan Liu, Markku Kulmala,Yujing Mu, Hong He. A new type of quartz smog chamber: Design and characterization. Environ. Sci. Technol.2022, 56(4), 2181-2190.

49. Zemin Feng, Yongchun Liu*, Feixue Zheng, Chao Yan*, Peng Fu, Yusheng Zhang, Chaofan Lian, Weigang Wang, Jing Cai, Wei Du, Biwu Chu, Yonghong Wang, Juha Kangasluoma, Federico Bianchi, Tuukka Petäjä and Markku Kulmala. Highly Oxidized Organic Aerosols in Beijing: Possible Contribution of Aqueous-Phase Chemistry. Atmos. Environ. 2022, 273, 118971.

48. Tianzeng Chen^#, Yanli Ge^#, Yongchun Liu^*, Hong He^*. N-Nitration of secondary aliphatic amines in the particle phase. Chemosphere, 2022, doi: 10.1016/j.chemosphere.2022.133639.

47. Zemin Feng, Feixue Zheng, Yongchun Liu^*, Xiaolong Fan, Chao Yan, Yusheng Zhang, Kaspar R. Daellenbach, Federico Bianchi, Tuukka Petäjä, Markku Kulmala and Xiaolei Bao. Evolution of organic carbon during COVID-19 lockdown period: Possible contribution of nocturnal chemistry. Sci. Total Environ. 2022, 808, 152191.

46.Zemin Feng, Feixue Zheng, Chao Yan, Peng Fu, Yusheng Zhang, Zhuohui Lin, Jin Cai, Wei Du, Yonghong Wang, Juha Kangasluoma, Federico Bianchi, Tuukka Petäjä, Yuesi Wang, Markku Kulmala, and Yongchun Liu^*. The impact of ammonium on the distillation of organic carbon in PM_2.5.Sci. Total Environ. 2022, 803, 150012.

45. Yonghong Wang*,Petri Clusius, Chao Yan, Kaspar Dällenbach, Yin Rujing, Xucheng He, Biwu Chu, Lubna Dada, Juha Kangasluoma, Pekka Rantala, Yueyun Fu, Chenjuan Deng, Weigang Wang, Lei Yao, Xiaolong Fan, Wei Du, Jing Cai, Yanfeng Huo, Zhuohui Lin，Liine Heikkinen, Heikki Junninen, Joni Kujansuu, Tuukka Petäjä, Maofa Ge, Yuesi Wang, Hong He, Neil M. Donahue, Douglas R. Worsnop, Veli-Matti Kerminen, Federico Bianchi, Mikael Ehn, Jingkun Jiang*, Yongchun Liu*, and Markku Kulmala*. Molecular composition of oxygenated organic molecules and their contributions to organic aerosol in Beijing. Environ. Sci. Technol. 2022, 56, 2, 770–778.

44. Yongchun Liu^*, Zeming Feng, Feixue Zheng, Xiaolei Bao^*, Pengfei Liu, Yanli Ge, Yan Zhao, Tao Jiang, Yunwen Liao, Yusheng Zhang, Xiaolong Fan, Chao Yan, Biwu Chu, Yonghong Wang, Wei Du, Jing Cai, Federico Bianch, Tuukka Petäjä, Yujing Mu, Hong He and Markku Kulmala. Ammonium nitrate promotes sulfate formation through uptake kinetic regime. Atmos. Chem. Phys. 2021, 21 (17), 13269-13286.

43. Junlei Zhan, Zeming Feng, Pengfei Liu, Xiaowei He, Zhouming He, Tianzeng Chen, Yafei Wang, Hong He, Yujing Mu, Yongchun Liu*. Ozone and SOA Formation Potential Based on Photochemical Loss of VOCs during the Beijing Summer. Environ. Pollut. 2021,285, 117444.

42. Yan, C.; Yin, R.; Lu, Y.; Dada, L.; Yang, D.; Fu, Y.; Kontkanen, J.; Deng, C.; Garmash, O.; Ruan, J.; Baalbaki, R.; Schervish, M.; Cai, R.; Bloss, M.; Chan, T.; Chen, T.; Chen, Q.; Chen, X.; Chen, Y.; Chu, B.; Dällenbach, K.; Foreback, B.; He, X.; Heikkinen, L.; Jokinen, T.; Junninen, H.; Kangasluoma, J.; Kokkonen, T.; Kurppa, M.; Lehtipalo, K.; Li, H.; Li, H.; Li, X.; Liu, Y.; Ma, Q.; Paasonen, P.; Rantala, P.; Pileci, R. E.; Rusanen, A.; Sarnela, N.; Simonen, P.; Wang, S.; Wang, W.; Wang, Y.; Xue, M.; Yang, G.; Yao, L.; Zhou, Y.; Kujansuu, J.; Petäjä, T.; Nie, W.; Ma, Y.; Ge, M.; He, H.; Donahue, N. M.; Worsnop, D. R.; Kerminen, V.-M.; Wang, L.; Liu, Y.*; Zheng, J. *; Kulmala, M. *; Jiang, J. *; Bianchi, F. *, The synergistic role of sulfuric acid, bases, and oxidized organics governing new-particle formation in Beijing. Geophys. Res. Lett. 2021, e2020GL091944.

41. Biwu Chu*, Lubna Dada, Yongchun Liu*, Lei Yao, Yonghong Wang, Wei Du, Jing Cai, Kaspar Dällenbach, Xuemeng Chen, Pauli Simonen, Ying Zhou, Chenjuan Deng, Yueyun Fu, Rujing Yin, Haiyan Li, Xu-Cheng He, Zeming Feng, Chao Yan, Juha Kangasluoma, Federico Bianchi, Jingkun Jiang, Joni Kujansuu, Veli-Matti Kerminen, Tuukka Petäjä, Hong He, Markku Kulmala. Particle growth with photochemical age from new particle formation to haze in the winter of Beijing, China. Sci. Total Environ. 2021, 753, 142207. 

40. Yongchun Liu*, Chao Yan, Zemin Feng, Feixue Zheng, Xiaolong Fan, Yusheng Zhang, Chang Li, Ying Zhou, Zhuohui Lin, Yishou Guo, Ying Zhang, Li Ma, Wenshuo Zhou, Zhikun Liu, Lubna Dada, Kaspar Dällenbach, Jenni Kontkanen, Runlong Cai, Tommy Chan, Biwu Chu, Wei Du, Lei Yao, Yonghong Wang, Jing Cai, Juha Kangasluoma, Tom Kokkonen, Joni Kujansuu, Anton Rusanen, Chenjuan Deng, Yueyun Fu, Rujing Yin , Xiaoxiao Li, Yiqun Lu, Yiliang Liu, Chaofan Lian, Dongsen Yang, Weigang Wang, Maofa Ge, Yuesi Wang, Douglas R. Worsnop, Heikki Junninen, Hong He, Veli-Matti Kerminen, Jun Zheng, Lin Wang, Jingkun Jiang, Tuukka Petäjä, Federico Bianchi*, Markku Kulmala*. Continuous and Comprehensive Atmospheric Observations in Beijing: A Station to Understand the Complex Urban Atmospheric Environment. Big Earth Data, 2020, 4, 295-321.

39. Yongchun Liu^*, Yusheng Zhang, Chaofan Lian, Chao Yan, Zeming Feng, Feixue Zheng, Xiaolong Fan, Yan Chen, Weigang Wang^*, Biwu Chu, Yonghong Wang, Jing Cai, Wei Du, Kaspar R. Daellenbach, Juha Kangasluoma, Federico Bianchi, Joni Kujansuu, Tuukka Petäjä, Xuefei Wang, Bo Hu, Yuesi Wang, Maofa Ge, Hong Heand Markku Kulmala^*. The promotion effect of nitrous acid on aerosol formation in wintertime in Beijing: The possible contribution of traffic-related emissions. Atmos. Chem. Phys., 2020, 20, 13023–13040.

38. Yongchun Liu*, Shuangying Ni, Tao Jiang, Shubin Xing, Yusheng Zhang, Xiaolei Bao, Zeming Feng, Xiaolong Fan, Liang Zhang, Haibo Feng. Influence of Chinese New Year overlapping COVID-19 lockdown on HONO sources in Shijiazhuang. Sci. Total Environ. 2020, 745, 141025. 

37. Haotian Jiang, Yongchun Liu^*, Yun Xie, Jun liu, Tianzeng Chen, Qinxin Ma, Hong He. Oxidation potential reduction of carbonaceous particulate during atmospheric relevant aging: Role of surface coating. Environ. Sci. Technol., 2019, 53 (17), 10454-10461. 

36. Tianzeng Chen, Yongchun Liu (co-first author), Qingxin Ma*, Biwu Chu, Peng Zhang, Changgeng Liu, Jun Liu, and Hong He. Significant source of secondary aerosol: Formation from gasoline evaporation emissions in the presence of SO₂ and NH₃. Atmos. Chem. Phys., 2019, 19, 2001-2013.

35. Yongchun Liu*, Haotian Jiang, Chunmei Liu, Yanli Ge, Lian Wang, Bo Zhang, Sijin Liu*, Hong He. Influence of functional groups on toxicity of carbon nanomaterials. Atmos. Chem. Phys., 2019, 19, 8175–8187. 

34. Haotian Jiang, Yun Xie, Yanli Ge, Hong He, Yongchun Liu*. Effects of ultrasonic on Dithiothreitol (DTT) assay measurement for carbon black particles. J. Environ. Sci., 2019, 84, 51-58.

33. Changgeng Liu, Yongchun Liu*, Tianzeng Chen, Jun Liu, Hong He*. Secondary organic aerosol formation from the oh-initiated oxidation of guaiacol under different experimental conditions. Atmos. Environ., 2019, 207(15), 30-37.

32. Changgeng Liu, Tianzeng Chen, Yongchun Liu*, Jun Liu, Hong He*. Enhancement of secondary organic aerosol formation and its oxidation state by SO₂ during photooxidation of 2-methoxyphenol. Atmos. Chem. Phys., 2019, 19, 2687-2700.

31. Tianzeng Chen, Yongchun Liu*, Biwu Chu, Changgeng Liu, Yanli Ge, Qingxin Ma, Jinzhu Ma, Xiaolei Bao, Hong He*. Difference of the oxidation process and secondary organic aerosol formation at low and high precursor concentrations. J. Environ. Sci., 2019, 79, 256-263.

30. Changgeng Liu, Yongchun Liu*, Tianzeng Chen, Jun Liu, Hong He*. Rate constant and secondary organic aerosol formation from eugenol by hydroxyl radicals. Atmos. Chem. Phys., 2019, 19, 2001–2013.

29. Tianzeng Chen, Yongchun Liu*, Changgeng Liu, Jun Liu, Biwu Chu, Hong He*. Important role of aromatic hydrocarbons in SOA formation from unburned gasoline vapor. Atmos. Environ., 2019, 201, 101-109.

28. Tianzeng Chen, Yanli Ge, Yongchun Liu*, Hong He. VOCs emission from motor vehicles in China and its impact on the atmospheric environment (in Chinese). Environ. Sci., 2018, 39(2), 478-492.

27. Yan Zhao, Yongchun Liu∗, Jinzhu Ma, Qingxin Ma, Hong He*. Heterogeneous reaction of SO₂ with soot: The roles of relative humidity and surface composition of soot in surface sulfate formation. Atmos. Environ. 2017, 152, 465-476. 

26. Yanli Ge, Yongchun Liu*, Biwu Chu, Hong He, Tianzeng Chen, Shaoxin Wang, Wei Wei, Shuiyuan Cheng. Ozonolysis of trimethylamine exchanged with typical ammonium salts in the particle phase. Environ. Sci. Technol., 2016, 50(20), 11076–11084. 

25. Yongchun Liu, John Liggio^* and Ralf Staebler, Shao-Meng Li. Reactive uptake of ammonia to secondary organic aerosols: kinetics of organonitrogen formation. Atmos. Chem. Phys., 2015, 15 (23), 13569-13584. 

24. Yongchun Liu, Chong Han, Jinzhu Ma, Xiaolei Bao, Hong He*. Influence of relative humidity on heterogeneous kinetics of NO₂ on kaolin and hematite. Phys. Chem. Chem. Phys. 2015, 17(29), 19424-19431. 

23. Chengyue Lai, Yongchun Liu*, Jinzhu Ma, Qingxin Ma, Biwu Chu, Hong He*. Heterogeneous kinetics of cis-pinonic acid with hydroxyl radicals under different environmental conditions. J. Phys. Chem. A, 2015, 119 (25), 6583-6593. 

22. Chengyue Lai, Yongchun Liu^*, Jinzhu Ma, Qingxin Ma, Hong He^*. Laboratory study on OH-initiated degradation kinetics of dehydroabietic acid. Phys. Chem. Chem. Phys. 2015, 17, 10953-10962. 

21. Yongchun Liu, John Liggio*, Shao-meng Li, Dalibor Breznan, Renaud Vincent, Errol Thomson, Premkumari Kumarathasan, Dharani Das, Jonathan Abbatt, Maria Antinolo, Lynn Russell. Chemical and toxicological evolution of carbon nanotubes during atmospherically relevant aging process. Environ. Sci. Technol., 2015, 49(5), 2806-2814. 

20. Yongchun Liu, Li Huang, Tom Harner, John Liggio*, Shao-Meng Li. OH initiated heterogeneous oxidation of tris-2-butoxyethyl phosphate: Implications for its fate in the atmosphere. Atmos. Chem. Phys. 2014, 14, 12195-12207. 

19. Yongchun Liu, John Liggio*, Shao-Meng Li. Technique Note: Application of positive matrix factor analysis in heterogeneous kinetics studies utilizing the mixed-phase rates technique. Atmos. Chem. Phys. 2014, 14, 9201-9211. 

18. Chengyue Lai, Yongchun Liu*, Jinzhu Ma, Qingxin Ma, Hong He^*. Degradation kinetics of levoglucosan initiated by OH under different environmental conditions. Atmos. Environ. 2014, 91, 32-39. 

17. Yongchun Liu, John Liggio*, Tom Harner, Liisa Jantunen, Mahiba Shoeib, Shao-Meng Li. Heterogeneous OH initiated oxidation: A possible explanation for the persistence of organophosphate flame retardants in air. Environ. Sci. Technol., 2014, 48, 1041-1048. 

16. Chang Liu, Biwu Chu, Yongchun Liu*, Qingxin Ma, Jinzhu Ma, Hong He*, Junhua Li, Jiming Hao. Effect of mineral dust on secondary organic aerosol yield and aerosol size in a–pinene/NOx photo-oxidation. Atmos. Environ. 2013, 77, 781-789.

15. Chong Han, Yongchun Liu* and Hong He*. Heterogeneous photochemical aging of soot by NO₂ under simulated sunlight. Atmos. Environ. 2013, 64, 270-276. 

14. Chong Han, Yongchun Liu*, Jinzhu Ma and Hong He*. Key role of organic carbon in the sunlight enhanced atmospheric aging of soot by O_2. Proc. Natl. Acad. Sci. USA. 2012,109(52), 21250-21255. 

13. Yongchun Liu, Qingxin Ma, Hong He*. Heterogeneous Uptake of Amines by Citric Acid and Humic Acid. Environ. Sci. Technol. 2012, 46(20), 11112–11118.

12. Yongchun Liu, Chong Han, Chang Liu, Jinzhu Ma, Qinxing Ma, Hong He*. Differences in the reactivity of ammonium salts with methylamine. Atmos. Chem. Phys., 2012, 12, 4855-4865.

11. Chong Han, Yongchun Liu*, Chang Liu, Jinzhu Ma, Hong He*. Influence of Combustion Conditions on Hydrophilic Properties and Microstructure of Flame Soot. J. Phys. Chem. A, 2012, 116, 4129-4136. 

10. Yongchun Liu, Jinzhu Ma, Chang Liu, Hong He*. Heterogeneous uptake of carbonyl sulfide onto kaolinite within a temperature range of 220 - 330 K. J. Geophys. Res., 2010, 115, D24311, doi:10.1029/2010JD014778.

9. Yongchun Liu, Jinzhu Ma, Hong He*. Heterogeneous Reactions of Carbonyl Sulfide on Mineral Oxides: Mechanism and Kinetics Study. Atmos. Chem. Phys., 2010, 10,10335-10344. 

8. Yongchun Liu, Chang Liu, Jinzhu Ma, Qingxin Ma, Hong He*. Structural and hygroscopic changes of soot during heterogeneous reaction with O₃. Phys. Chem. Chem. Phys., 2010, 12, 10896-10903. 

7. Yongchun Liu, Qinxing Ma, Hong He*. Comparative study of effect of water on the heterogeneous reactions of carbonyl sulfide on the surface of α-Al₂O₃ and MgO. Atmos. Chem. Phys., 2009, 9, 6273–6286. 

6. Yongchun Liu, Hong He*. Experimental and Theoretical Study of Thiocarbonate for Heterogeneous Reaction of Carbonyl Sulfide on Magnesium Oxide. J. Phys. Chem. A. 2009, 113 (14), 3387-3394. 

5. Yongchun Liu, Hong He*. Temperature dependence of heterogeneous reaction of carbonyl sulfide on magnesium oxide. J. Phys. Chem. A, 2008, 112, 2820-2826. 

4. Yongchun Liu, Hong He*, Yujing Mu. Heterogeneous Reactivity of Carbonyl Sulfide on α-Al₂O₃ and γ-Al₂O₃. Atmos. Environ., 2008, 42, 960-969. 

3. Yongchun Liu, Hong He*, Wenqin Xu, Yunbo Yu. Mechanism of Heterogeneous Reaction of Carbonyl Sulfide on Magnesium Oxide. J. Phys. Chem. A, 2007, 111, 4333-4339. 

2. Yongchun Liu, Junfeng Liu, Hong He *, Yunbo Yu, Li Xue. Heterogeneous Oxidation of Carbonyl Sulfide on Mineral Oxides. Chin. Sci. Bull., 2007, 52(15), 2063-2071.

1. Yongchun Liu, Hong He*. Chemical composition analysis of atmospheric particulate matter (in Chinese), Prog. Chem., 2007, 19(10), 1620-1631.