1. Intelligent Polymer Research Institute; ARC Centre of Excellence for Electromaterials Science; Australian Institute of Innovative Materials; Innovation Campus; University of Wollongong; Northfields Avenue Wollongong NSW 2522 Australia
2. Institute of Polymer Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
3. Alan G. MacDiarmid NanoTech Institute; University of Texas at Dallas; Richardson Texas 75080 USA