1. MacDiarmid Institute for Advanced
Materials and Nanotechnology, Department of Chemistry, University of Otago, P.O. Box 56, Dunedin, New Zealand
9054
2. Photonics, Industrial Research Ltd., P.O. Box 31-310, Lower Hutt, New Zealand
5040
3. Department of Chemistry, University of Leuven, Celestijnenlaan 200D, B-3001
Leuven, Belgium