1. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of Education & International Center for Dielectric Research, School of Electronic and Information Engineering, Xi’an Jiaotong University, Xi’an 710049, China
2. Leibniz-Institut für Polymerforschung Dresden e.V. Hohe Strasse 6, 01069 Dresden, Germany
3. MOE Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, 710049, China
4. Department of Applied Physics, Donghua University, Songjiang, 201620 Shanghai China
5. Department of Chemistry and 4D LABORATORIES, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada