1. Organic Electronics Group, Department of Electrical Engineering and ElectronicsUniversity of LiverpoolBrownlow HillLiverpoolL69 3GJUK
2. Ecole Nationale Supérieure de Chimie de ParisChimie ParisTech11 Rue Pierre et Marie Curie75005ParisFrance
3. Biomedical Science Group, Department of Applied SciencesUniversity of the West of EnglandFrenchay Campus, Coldharbour LaneBristolBS16 1QYUK