1. Department
of Chemistry and Centre for Plastic Electronics, Imperial College London, London SW7 2AZ, United Kingdom
2. Materials
Research Institute and School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom
3. Instituto
de Ciencia Molecular, Universidad de Valencia, 46980 Paterna, Spain
4. Physical
Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
5. Department
of Chemistry, Stanford University, Stanford, California 94305, United States
6. Department
of Bioelectronics, École Nationale Supérieure des Mines, CMP-EMSE, MOC Gardanne, Gardanne 13541, France
7. Palo Alto Research Center, Palo Alto, California 94304, United States