1. State Key Laboratory of Medicinal Chemical Biology; Key Laboratory of Functional Polymer Materials; Ministry of Education; College of Pharmacy; Nankai University; Tianjin 300071 China
2. School of Pharmaceutical Engineering & Life Science; Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering; Changzhou University; Changzhou 213164 China
3. College of Electronic Information and Optics Engineering; Nankai University; Tianjin 300071 China
4. Jiangnan Graphene Research Institute; Changzhou 213149 China
5. Institute of Materials Physics; Tianjin University of Technology; Tianjin 300384 China
6. Applied Physics Department; State University of Campinas; Campinas SP 13081-970 Brazil
7. Alan G. MacDiarmid NanoTech Institute; University of Texas at Dallas; Richardson TX 75080 USA
8. LINTEC OF AMERICA; INC., Nano-Science & Technology Center; Richardson TX 75081 USA