1. School of Chemical Science University of Auckland Auckland 1010 New Zealand
2. MacDiarmid Institute of Advanced Materials & Nanotechnology Wellington 6140 New Zealand
3. School of Engineering Faculty of Science and Engineering Macquarie University Sydney NSW 2109 Australia
4. CSIRO Manufacturing PO Box 218 Lindfield Sydney NSW 2070 Australia
5. CSIRO Manufacturing North Ryde Sydney NSW 2113 Australia
6. School of Materials Science and Engineering University of New South Wales Kensington Sydney NSW 2052 Australia