Publications Related to Astrochemistry

22. Size-selected anion photoelectron spectroscopy and density functional theory study of MnCn−/0 (n = 3-10): odd-even alternation and linear-cyclic structure competition
     Xi-Ling Xu, Bin Yang, Chao-Jiang Zhang, Hong-Guang Xu, Wei-Jun Zheng 
     J. Chem. Phys. 150, 074304 (2019). pdf-file

21. Structural and Bonding Properties of BS−/0 and BS3−/0
     Li-Juan Zhao, Xi-Ling Xu, Hong-Guang Xu, Gang Feng, Wei-Jun Zheng
     New J. Chem. 42, 16021 (2018). pdf-file

20. Structural and Electronic Properties of HCnS− (n = 4–11): Anion Photoelectron Spectroscopy and Density Functional Calculations
     Xi-Ling Xu, Bin Yang, Hong-Guang Xu, Xiao-Jiao Deng, and Wei-Jun Zheng
     RSC Adv. 6, 78064 (2016). pdf-file

19. Superhalogen Properties of BS2− and BSO−: Photoelectron Spectroscopy and Theoretical Calculations
     Li-Juan Zhao, Hong-Guang Xu, Gang Feng, Peng Wang, Xi-Ling Xu, Wei-Jun Zheng
    Phys. Chem. Chem. Phys. 18, 6175 (2016). pdf-file

18. Photoelectron Spectroscopy and Density Functional Calculations of CnSm- (n = 2-7; m = 1, 2) clusters
     Xi-Ling Xu, Xiao-Jiao Deng, Hong-Guang Xu and Wei-Jun Zheng
     Phys. Chem. Chem. Phys. 17, 31011 (2015). pdf-file

17. Photoelectron spectroscopy and ab initio calculations of small SinSm- (n = 1,2; m = 1-4) clusters
    Xi-Ling Xu, Xiao-Jiao Deng, Hong-Guang Xu, and Wei-Jun Zheng
   J. Chem. Phys. 141, 124310 (2014). pdf-file

16. Formation of nitric oxide and nitrous oxide in electron-irradiated H218O/N2 ice mixtures – evidence for the existence of free oxygen atoms in interstellar and solar system analog ices
    Weijun Zheng, Y. Seol Kim, Ralf I. Kaiser
    Phys. Chem. Chem. Phys. 13, 15749 (2011). pdf-file

15. Low temperature spectroscopy and irradiation effects on Solar System ices – Kuiper belt objects as a case study
    Ralf I. Kaiser, Weijun Zheng, Yoshihiro Osamura and Agnes H. H. Chang
    Phys. Chem. Chem. Phys. 13, 15747 (2011). pdf-file

14. Cosmic-Ray Mediated Formation of Benzene on the Surface of Saturn’s Moon Titan
    L. Zhou, W. J. Zheng, R. I. Kaiser, A. Landera, A. M. Mebel, M.-C. Liang, Y. L. Yung
    Astrophysical Journal 718, 1243 (2010). pdf-file

13. Formation of Hydroxylamine (NH2OH) in Electron Irradiated Ammonia-Water Ices
    Weijun Zheng,and Ralf I. Kaiser
    J. Phys. Chem. A 114, 5251 (2010). pdf-file

12. On the State of Water Ice on Saturn’s Moon Titan and Implications to Icy Bodies in the Outer Solar System
     Weijun Zheng, David Jewitt, and Ralf I. Kaiser
     J. Phys. Chem. A 113, 11174 (2009). pdf-file 

11. Infrared Spectra of Ammonia-Water Ices
     Weijun Zheng, David Jewitt, and Ralf I. Kaiser
     Astrophysical Journal Supplement Series 181, 53 (2009). pdf-file

10. Formation of Nitrogen and hydrogen-Bearing Molecules in Solid Ammonia and Implications to Solar System and Interstellar Ices
        Weijun Zheng, David Jewitt, Yoshihiro Osamura, and Ralf I. Kaiser
        Astrophysical Journal 674, 1242 (2008). pdf-file

9.  On the Formation of Carbonic Acid (H2CO3) in Solar System ices
        Weijun Zheng, and Ralf I. Kaiser
        Chem. Phys. Lett. 450, 55 (2007). pdf-file

8.  An Infrared Spectroscopy Study of the Phase Transition in Solid Ammonia
        Weijun Zheng, and Ralf I. Kaiser
        Chem. Phys. Lett.  440, 229 (2007). pdf-file

7.  Mechanistical Studies on the Formation of Isotopomers of Hydrogen Peroxide (HOOH), Hydrotrioxy (HOOO), and Dihydrogentrioxide (HOOOH) in Electron-Irradiated H2O-18/O2 Ice Mixtures
        Weijun Zheng, David Jewitt, and Ralf I. Kaiser
        Phys. Chem. Chem. Phys. 9, 2556 (2007). pdf-file

6.  Electron Irradiation of Crystalline and Amorphous D2O Ice
        Weijun Zheng, David Jewitt, and Ralf I. Kaiser
        Chem. Phys. Lett. 435, 289 (2007). pdf-file

5.  Laboratory Investigations on the Infrared Absorptions of Germanium-bearing Molecules—Directing the Identification of Organo-Germanium Molecules in the Atmospheres of Jupiter and Saturn
       William Carrier, Yoshihiro Osamura, Weijun Zheng, and Ralf I. Kaiser
        Astrophysical Journal 654, 687 (2007). pdf-file

4.  Infrared spectroscopic identification of digermene, Ge2H4 (X1Ag), and of the  digermenyl radical, Ge2H3(X2A”), together with their deuterated counterparts in low temperature germane matrices
        William Carrier, Weijun Zheng, Yoshihiro Osamura,  and Ralf I. Kaiser
        Chem. Phys. 330, 275 (2006).  pdf-file

3.  Temperature Dependence of the Formation of Hydrogen, Oxygen, and Hydrogen Peroxide in Electron Irradiated Crystalline Water Ice
        Weijun Zheng, David Jewitt, and Ralf I. Kaiser
        Astrophysical Journal 648, 753 (2006). pdf-file

2.  Infrared spectroscopic characterization of digermyl (Ge2H5) and D5-digermyl (Ge2D5) radicals in low temperature germane matrices
        William Carrier, Weijun Zheng, Yoshihiro Osamura,  and Ralf I. Kaiser
        Chem. Phys. 325, 499 (2006). pdf-file

1.  Formation of Hydrogen, Oxygen, and Hydrogen Peroxide in Electron Irradiation Crystalline Water Ice
        Weijun Zheng, David Jewitt, and Ralf I. Kaiser
        Astrophysical Journal 639, 534 (2006). pdf-file


Conference Presentations:

2019   Astrochemistry (2019), May 17-20, 2019, Xi'an, China.

2018   星际介质中的化学反应动力学，2018年9月21-24日, 乌鲁木齐，新疆，中国。 报告：外太阳系冰层的实验模拟研究

2018   星际物理与化学(昆明2018), 2018年7月27-31日, 昆明，云南，中国。 报告：Experimental study of simulated solar system ices

2010   PACIFICHEM 2010, SYMPOSIA: (31) Kuiper Belt Objects - Laboratory Studies, Models, Theory, and Observations,
       December 15-20, 2010. Honolulu, Hawaii, USA. Contributed Talk: Electron irradiation of crystalline water ice and ammonia-water ice

2007   BioAstronomy 2007 – Molecules, Microbes and Extraterrestrial Life,
       July 16-20, 2007, San Juan, Puerto Rico. Poster: Laboratory Studies of Solid Water and Ammonia Hydrate relevant to Outer Solar System Ices

2007   Workshop on Titan – Observations, Experiments, Computations, and Modeling, February 5-7, 2007, Honolulu, Hawaii, USA.

2005   PACIFICHEM 2005, SYMPOSIA: (47) Astrochemistry - From Laboratory Studies to Astronomical Observations,
       December 15-20, 2005. Honolulu, Hawaii, USA. Poster: Water ice irradiated with electrons

2005   NAI 2005 Biennial Meeting of the NASA Astrobiology Institute,
       April 10-14, 2005, Boulder, Colorado, USA. Poster:  Irradiation effects on Amorphous and Crystalline Water Ices