1. The MacDiarmid Institute for Advanced Materials and Nanotechnology, Department of Physics, The University of Auckland, 38 Princes Street, Auckland 1010, New Zealand
2. Faculty of Chemistry, University of Gdanśk, Fahrenheit Union of Universities in Gdanśk, 80-308 Gdanśk, Poland
3. Institut für Anorganische Chemie Universität Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany