1. Organic
Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews KY16 9SS, U.K.
2. WestCHEM,
Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, U.K.
3. Institute of Physical-Organic
Chemistry and Coal Chemistry, 02160 Kyiv, Ukraine
4. Chemistry
Department and Institute for Polymer Technology, Wuppertal University, Gauss-Str. 20, D-42119 Wuppertal, Germany