1. The University of Auckland, School of Chemical Sciences, Auckland 1010, New Zealand
2. The MacDiarmid Institute, Victoria University of Wellington, PO Box 600, Wellington 6012, New Zealand
3. The Dodd-Walls Centre, University of Otago, P.O. Box 56, Dunedin 9016, New Zealand
4. University of Otago, Department of Chemistry, P.O. Box 56, Dunedin 9016, New Zealand
5. The University of Auckland, Department of Physics, Auckland 1010, New Zealand