1. College of Chemical Engineering
2. North China University of Science and Technology
3. Tangshan City
4. P. R. China
5. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)
6. Institute for Superconducting and Electronic Materials
7. University of Wollongong
8. Wollongong
9. Australia
10. School of Physics
11. Nankai University
12. Tianjin 300071
13. China