1. Sichuan University-Pittsburgh Institute, Sichuan University, Chengdu 610207, China
2. College of Physical Science and Technology, and Sino-British Materials Research Institute, Sichuan University, Chengdu 610064, China
3. Department of Experimental Physiology and Pathophysiology, Laboratory of Center for Preclinical Research, Medical University of Warsaw, Warsaw 02-106, Poland
4. Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw 01-224, Poland
5. Materials Research Institute and School of Physics and Astronomy, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom