1. Organic Semiconductor Centre EaStCHEM School of Chemistry University of St Andrews St Andrews, Fife KY16 9ST UK
2. Materials Research Centre Indian Institute of Science CV Raman Rd Bengalore 560012 Karnataka India
3. Center for Organic Photonics and Electronics Research (OPERA) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan