1. Institute for Superconducting and Electronic Materials; University of Wollongong; Wollongong NSW 2500 Australia
2. Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science; University of Wollongong; Wollongong NSW 2500 Australia
3. Electron Microscopy Center; University of Wollongong; Wollongong NSW 2500 Australia
4. Beijing National Laboratory of Molecular Sciences (BNLMS); Key Laboratory of Organic Solids; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
5. School of Mechanical, Materials and Mechatronic Engineering; University of Wollongong; Wollongong NSW 2500 Australia