1. Key Laboratory of Macromolecular Science of Shaanxi Province
2. Shaanxi Key Laboratory for Advanced Energy Devices
3. Shaanxi Engineering Laboratory for Advanced Energy Technology
4. School of Chemistry & Chemical Engineering
5. Shaanxi Normal University
6. College of Materials Science and Engineering
7. Guilin University of Technology
8. Guilin 541004
9. P. R. China
10. School of Materials Science and Engineering
11. Xi’an