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Zhengyi Sun, Post-doc

Email: zhengyi.sun@liu.se
Telephone: +46 (0)13284694
Office:  Fysikhuset N320



  • Fudan University, Shanghai, China                                                                                                                                         PhD degree, Condensed Matter Physics, Graduated on July 2011.  
  • Central China Normal University, Wuhan, China                                                                                                             Bachelor degree, Physics, Graduated on July 2005.
  • Wuhan University, Wuhan, China                                                                                                                                           Second bachelor degree, Journalism, Graduated on July 2005.


  • Fabrication and characterization of organic and polymer electronic devices (OLEDs, OPVs and  organic spin valves)
  • Surface and interface energetics investigated by photoelectron spectroscopy (UPS, XPS)
  • Organic-involved  spinterface research  based on Synchrotron-radiation-related technique such as X-ray absorption spectroscopy (XAS), X-ray magnetic circular dichroism (XMCD), etc.

Recent Publications

  • Role of thick-LiF interlayer in energy level alignment at organic/metal interface: Unifying effect on high metallic work functions. Zhengyi Sun, Shengwei Shi, Qinye Bao, Xianjie Liu, and Mats Fahlman, Advanced Materials Interfaces, 2015, DOI: 10.1002/admi.201400527.
  • Effects of side groups on kinetics of charge carrier recombination in dye molecule-doped multilayer organic light-emitting diodes. Shengwei Shi, Feng Gao, Zhengyi Sun, Yiqiang Zhan, Mats Fahlman, and Dongge Ma, Journal of Materials Chemistry C 3, 46 (2015).
  • Origin of the anomalous temperature dependence of coercivity in soft ferromagnets. R.Moubah, M. Ahlberg, A. Zamani, A. Olsson, S. Shi, Z. Sun, S. Carlson, A. Hallen, B. Hjörvarsson, and P. E. Jönsson, Journal of Applied Physics 116, 053906 (2014).
  • Energy level alignment and interactive spin polarization at organic/ferromagnetic metal interfaces for organic spintronics. Zhengyi Sun, Yiqiang Zhan, Shengwei Shi, and Mats Fahlman, Organic Electronics 15, 1951 (2014).
  • Hybrid Interface States and Spin Polarization at Ferromagnetic Metal-Organic Heterojunctions: Interface Engineering for Efficient Spin Injection in Organic Spintronics. Shengwei Shi, Zhengyi Sun, Amilcar Bedoya, Patrizio Graziosi, Xin Li, Xianjie Liu, Luis Hueso, Valentin A. Dediu, Yi Luo, and Mats Fahlman, Advanced Functional Materials 24, 4812 (2014).
  • Buffer-enhanced electron injection in organic light-emitting devices with copper cathode. Zhengyi Sun, Xunmin Ding, Baofu Ding, Xindong Gao, Yongmao Hu, Xiaoqing Chen, Yun He, and Xiaoyuan Hou, Organic Electronics 14, 511 (2013).
  • LiF Layer at the Interface of Au Cathode in Organic Light-Emitting Devices: A Nonchemical Induced Carrier Injection Enhancement. Zhengyi Sun, Baofu Ding, Bo Wu, Yintao You, Xunmin Ding, and Xiaoyuan Hou, The Journal of Physical Chemistry C 116, 2543 (2012).





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Last updated: 2015-12-07