1. Printable Electronics Research Center; Suzhou Institute of Nano-Tech and Nano-Bionics; Chinese Academy of Sciences; 398 Ruoshui Road, SEID SIP Suzhou 215123 P. R. China
2. College of Materials Science and Opto-Electronic Technology University of Chinese Academy of Sciences; Beijing 100049 P. R. China
3. Institute of High Performance Computing; Agency for Science Technology and Research; 138632 Singapore
4. College of Chemistry; Beijing Normal University; Beijing 100875 P. R. China
5. Department of Chemistry; Xi'an Jiaotong Liverpool University; 111 Ren Ai Road, SEID SIP Suzhou 215123 P. R. China
6. Nanomaterials Research Institute; National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba 305-8565 Japan
7. Technical Institute of Physics and Chemistry; Chinese Academy of Sciences; No. 29 Zhongguancun East RoadHaidian District Beijing 100190 P. R. China
8. CNT-Application Research Center; National Institute of Advanced Industrial Science and Technology (AIST); Tsukuba 305-8565 Japan
9. Key Laboratory for the Physics and Chemistry of Nanodevices; Department of Electronics; Peking University; Beijing 100871 P. R. China