1. The Key Laboratory of Space Applied Physics and Chemistry
2. Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
3. School of Science
4. Northwestern Polytechnical University
5. Xi’an 710129
6. Institute of Physics & Optoelectronics Technology
7. Baoji University of Arts and Sciences
8. Baoji 721016
9. P. R. China