1. Department of Chemistry, University College London, Christopher Ingold Building, London WC1H 0AJ, United Kingdom
2. ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, North Wollongong, NSW 2500, Australia
3. Institute of High Performance Computing A*STAR, Singapore 138632, Singapore
4. Optoelectronics of Disordered Semiconductors, Institute of Physics and Astronomy, University of Potsdam, Karl-Liebknecht-Strasse 24-25, Potsdam-Golm 14476, Germany
5. Department of Chemistry, The University of Sheffield, Sheffield S3 7HF, United Kingdom
6. Department of Physics and Centre for Processable Electronics, Imperial College London, London SW7 2AZ, United Kingdom