a
Department of Physics and Centre for Plastic Electronics, Blackett Laboratory, Imperial College London, London SW7 2AZ, UK
E-mail: t.anthopoulos@ic.ac.uk
;
Fax: +44 (0)2075942077
;
Tel: +44 (0)2075946669
b
Materials Science and Engineering, Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
c
Department of Chemistry and Centre for Plastic Electronics, Imperial College London, London SW7 2AZ, UK