• Atmospheric chemistry: SOA formation and aging processes, new particle formation; aerosol chemical composition; hygroscopic and optical properties of aerosol; molecular spectroscopy; kinetics of heterogeneous reaction, etc. 
• Heterogeneous catalysis: Catalytic removal of VOCs and other toxic pollutants; CO2 capture etc. 
• Development of instruments.

• 09/2005-07/2008: Ph. D., Environmental Sciences, Research Center for Eco- Environmental Sciences, Chinese Academy of Sciences, Beijing, China, Advised by Prof. Hong He.
  Area of Research: Atmospheric Chemistry.
  Title of Thesis: Heterogeneous Reactions of Carbonyl Sulfide on Mineral Oxides. 
• 09/1999-07/2002: M. S., Environmental Sciences, Sichuan University. Sichuan, China. Advised by Prof. Jiali Xie.
  Area of Research: Water Treatment.
  Title of Thesis: Preparation of Ferrate by Electrolysis and Its Application in Wastewater Treatment. 
• 09/1995-07/1999: B. S., Chemistry, Sichuan Teachers’ College, Sichuan, China.

• 03/2011-, Associate Professor, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.08/2012-07/2014, Postdoctoral Fellowship, Environment Canada, Toronto, Ontario, Canada. 
• 07/2008- 02//2011, Assistant Professor, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China. 
• 07/2002-09/2005, Lecturer, Department of Environmental and Biological Sciences, Leshan Teachers’ College, Sichuan, China.

•  Presidential Scholarship, Chinese Academy of Sciences, 2008.
• Outstanding Graduate, Chinese Academy of Sciences, 2008.
• Special award of Scholarship of Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 2006-2007.
• Second-class Scholarship of Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 2005-2006. 
• Excellent student, Chinese Academy of Sciences, 2007 and 2008, respectively.

   

 57. Tong, S., Hou, S., Zhang, Y., Chu, B., Liu, Y., He, H., Zhao, P., and Ge, M.: Exploring the nitrous acid (HONO) formation mechanism in winter Beijing: direct emissions and heterogeneous production in urban and suburban areas, Faraday Discuss., 2016, 10.1039/C5FD00163C,.

56. Biwu Chu, Yongchun Liu, Qingxin Ma, Jinzhu Ma, Hong He*, Gang Wang, Shuiyuan Cheng, Xinming Wang. Distinct potential aerosol masses under different scenarios of transport at a suburban site of Beijing, J. Environ. Sci., 2016, 39, 52-61.

55. Weiwei Yang , Hong He*, Qingxin Ma , Jinzhu Ma , Yongchun Liu, Pengfei Liu and Yujing Mu. Synergistic formation of sulfate and ammonium resulting from reaction between SO₂ and NH₃ on typical mineral dust. Phys. Chem. Chem. Phys., 2016, 18, 956-964

2015

54. Narumol Jariyasopit, Yongchun Liu, John Liggio, Tom Harner*. Stability of polycyclic aromatic compounds in polyurethane foam-type passive air samplers upon O₃ exposure. Atmos. Environ. 2015, 120, 200-204.

53. Biwu Chu, Tengyu Liu, Xiao Zhang, Yongchun Liu, Qingxin Ma, Jinzhu Ma, Hong He*, Wang Xinming, Li Junhua, Hao Jiming. Secondary aerosol formation and oxidation capacity in photooxidation in the presence of Al₂O₃ seed particles and SO₂. Sci. China-Chem., 2015, 58 (9), 1426-1434.

52. Shengrui Tong*, Siqi Hou, Ying Zhang, Biwu Chu, Yongchun Liu, Hong He, Pusheng Zhao, Maofa Ge. Comparisons of measured nitrous acid (HONO) concentrations in a pollution period at urban and suburban Beijing, in autumn of 2014. Sci. China-Chem., 2015, 58 (9), 1393-1402.

51. 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.

50. 马庆鑫, 马金珠, 楚碧武, 刘永春, 赖承钺, 贺泓*. 矿质和黑碳颗粒物表面大气非均相反应研究进展. 科学通报, 2015, 60(2), 122-136.

49. 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.

48. 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.

47. 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.

46. Liu, C., Ma, Q. X., Chu, B. W., Liu, Y. C., He, H., Zhang, X. Y.*, Li, J. H., and Hao, J. M.: Effect of aluminum dust on secondary organic aerosol formation in m-xylene/NOx photo-oxidation, Sci. China D Earth Sci., 2015, 58, 245-254.

45. 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 processes. Environ. Sci. Technol., 2015, 49(5), 2806-2814.

 

2014

44. 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.

43. 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.

42. Biwu Chu, Yongchun Liu, Junhua Li, Hideto Takekawa, John Liggio, Shao-Meng Li, Jingkun Jiang Jiming Hao, Hong He. Decreasing effect and mechanism of FeSO₄ seed particles on secondary organic aerosol in α-pinene photooxidation. Environ.Poll. 2014, 193, 88-93.

41. Jinzhu Ma, Hongmin Wu, Yongchun Liu, Hong He*. Photocatalytic removal of NO_x over visible light responsive oxygen-deficient TiO₂. J. Phys. Chem. C, 2014, 118(14), 7434-7441.

40. 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.

39. 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.

 

2013

38. Qingxin Ma, Hong He, Yongchun Liu, Chang Liu, Vicki H. Grassian. Heterogeneous and multiphase formation pathways of gypsum in the atmosphere. Phys. Chem. Chem. Phys., 2013, 15(44):19196-204.

37. Chang Liu, Yongchun Liu, Qingxin Ma, Jinzhu Ma, Hong He*. Alumina with various pore structures prepared by spray pyrolysis of inorganic aluminum precursors. Ind. Eng. Chem. Res., 2013, 52 (37), 13377–13383

36. 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.

35. Jinzhu Ma, Yongchun Liu, Qingxin Ma, Chang Liu, Hong He*. Heterogeneous photochemical reaction of ozone with anthracene adsorbed on mineral dust. Atmos. Environ. 2013, 72, 165-170.

34. Chong Han, Yongchun Liu, Hong He*. Role of Organic Carbon in Heterogeneous Reaction of NO₂ with Soot. Environ. Sci. Technol. 2013, 47, 3174-3181.

33. Ma Jinzhu, Liu Yongchun, Han Chong, Ma Qingxin, Liu Chang, He Hong^*. Review of heterogeneous photochemical reactions of NOy on aerosol - A possible daytime source of nitrous acid (HONO) in the atmosphere. J. Environ. Sci. 2013, 25 (2), 326-334.

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

 

2012

31. 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.

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

29. Changbin Zhang, Fudong Liu, Yanping Zhai, Hiroko Ariga, Nan Yi, Yongchun Liu, Kiyotaka Asakura, Maria Flytzani-Stephanopoulos, Hong He*. Alkali-Metal-Promoted Pt/TiO₂ Opens a More Efficient Pathway to Formaldehyde Oxidation at Ambient Temperatures. Angew. Chem. Int. Ed. 2012, 51, 9628-9632.

28. Chong Han, Yongchun Liu, Jinzhu Ma and Hong He*. Effect of soot microstructure on its ozonization reactivity. J. Chem. Phys. 2012, 137, 084507, doi: 10.1063/1.4747190.

27. 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.

26. Qingxin Ma, Yongchun Liu, Chang Liu and Hong He*. Heterogeneous reaction of acetic acid on MgO, α-Al₂O₃, and CaCO₃ and the effect on the hygroscopic behaviour of these particles. Phys. Chem. Chem. Phys., 2012, 14, 8403–8409.

25. 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.

24. Qingxin Ma, Yongchu Liu, Chang Liu, Jinzhu Ma, Hong He*. A case study of Asian dust storm particles: Chemical composition, reactivity to SO₂ and hygroscopic properties J. Environ. Sci, 2012, 24, 62-71.

23. Chang Liu, Qingxin Ma, Yongchun Liu, Jinzhu Ma, Hong He*. Synergistic reactions between SO₂ and NO₂ on mineral oxides: a potential formation pathway of sulfate aerosol. Phys. Chem. Chem. Phys., 2012, 14(5), 1668-1676.

 

2011

22. Zhang Li, Liu Fudong*, Yu Yunbo, Liu Yongchun, Zhang Changbin, He Hong. Effects of Adding CeO₂ to Ag/Al₂O₃ Catalyst for Ammonia Oxidation at Low Temperatures. Chinese. J. Catal., 2011, 32, 727–735.

21. Xiangjie Wang, Huayu Wang, Yongchun Liu, Fudong Liu, Yunbo Yu*, Hong He*. A direct sulphation method for introducing transition metal cation Co²⁺ into ZrO₂ with little change of the Brönsted acidic sites. J. Catal., 2011,279, 301-309.

20. Fudong Liu, Kiyotaka Asakura, Hong He*, Yongchun Liu, Wenpo Shan, Xiaoyan Shi, Changbin Zhang. Influence of calcinations temperature on iron titanate catalyst for the selective catalytic reduction of NOx with NH₃. Catal. Today., 2011,164, 520-527.

19. 马金珠, 刘永春, 马庆鑫, 刘畅, 贺泓*. 大气非均相反应及其环境效应. 环境化学, 2011,30,97-119.

18. Jinzhu Ma, Yongchun Liu, Hong He*. Heterogeneous reactions between NO₂ and anthracene adsorbed on SiO₂ and MgO. Atmos. Environ., 2011, 45, 917-924.

 

2010

17. 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.

16. 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.

15. Jinzhu Ma, Yongchun Liu, Hong He*. Degradation kinetics of anthracene by ozone on mineral oxides. Atmos. Environ., 2010, 44, 4446-4453.

14. Chang Liu, Yongchun Liu, Qingxin Ma, Hong He*. Mesoporous transition alumina with uniform pore structure synthesized by alumisol spray pyrolysis. Chem. Eng. J., 2010, 163, 133-142.

13. 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.

12. Qingxin Ma, Yongchun Liu, Hong He*. The utilization of physisorption analyzer for studying the hygroscopic properties of atmospheric relevant particles. J. Phys. Chem. A. 2010, 114, 4232-4237. (SCI, IF=)

11. Qingxin Ma, Hong He*, Yongchun Liu. In situ DRIFTS study the water adsorption on mineral oxides. J. Environ. Sci., 2010, 22, 555-560.

 

2009

10. 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.

9. 贺泓*, 刘永春, 曲久辉. 环境微界面过程的原位和在线研究方法. 环境科学学报. 2009，29(1), 11-20.

8. 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.

 

2008

7. Qingxin Ma, Yongchun Liu, Hong He*. The mechanism of synergistic effect between SO₂ and NOx in the heterogeneous reaction on gamma-alumina. J. Phys. Chem. A. 2008, 112, 6630–6635.

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

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

 

2007

4. 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.

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

2. 刘永春, 贺泓*. 大气颗粒物化学组成分析. 化学进展, 2007, 19(10), 1620-1631.

1. Junfeng Liu, Yongchun Liu, Li Xue, Yunbo Yu, Hong He*. Oxygen Poisoning Mechanism of Catalytic Hydrolysis of OCS over Al₂O₃ at Room Temperature. Acta Phys.-Chim. Sin., 2007, 23(7), 997-1002. 

1. Hong He, Yongchun Liu. “Knudsen cell-Mass spectrometer for adsorption/desorption kinetics investigation”, Application Number: 200710099442.6, Application Date: 2007.05.22. (Chinese patent)
2. Hong He, Yongchun Liu, Qingxin Ma. “An in situ Raman reactor for gas-solid reactions”, Application Number: 200910235717.3, Application Date: 2009.10.22. (Chinese patent)

1. Yongchun Liu, Jinzhu Ma, Hong He. Substrate effect for the heterogeneous reactions of PAHs on mineral oxides. 2nd Sino-French Joint-Workshop on Atmospheric Environment, Orleans, France, Dec 6-9, 2010. (Oral report)
2. Yongchun Liu, Hong He. Heterogeneous uptake of carbonyl sulfide onto kaolinite from 220 K, 27th Annual Conference of Chinese Chemical Society, Xiamen, China, Jun 20-23, 2010. (Poster)
3. Yongchun Liu, Chang Liu, Jinzhu Ma, Qingxin Ma, Hong He. Structural changes of soot during heterogeneous reaction with O3. 6th International Conference Interfaces Against Pollution, Beijing, China, May 16-19, 2010. (Oral report).
4. Yongchun Liu, Hong He. Quantum study of metastable-state species in the deliquescence process of ammonium nitrate, 5th National Conference of Environmental Chemistry, Dalian, China, May 9-12, 2009. (Poster)
5. Yongchun Liu, Hong He. The role of surface hydroxyl in the heterogeneous reaction of OCS on mineral dust, 11th International Conference on Atmospheric Sciences and Applications to Air Quality, Jinan, China, Apr 21-23, 2009. (Oral report).
6. Yongchun Liu, Hong He. Comparative study for the effect of water on the heterogeneous reaction of OCS over α-Al2O3 and MgO, 1st Sino-French Joint Workshop on Atmospheric Environment, Beijing, China, Oct 29-31, 2008. (Oral report)
7. Hong He, Yongchun Liu. Heterogeneous reactions of carbonyl sulfide on mineral oxides, 26th Annual Conference of Chinese Chemical Society, Tianjin, China, Jul 13-16, 2008. (Oral report)
8. Yongchun Liu, Hong He. Interface processes of carbonyl sulfide on atmospheric particles. 5th International Conference Interfaces Against Pollution, Kyoto, Japan, Jun 1-4, 2008. (Poster).

http://www.researcherid.com/rid/F-3892-2011