1. School of Natural and Environmental Science, Bedson Building, Newcastle University, NE1 7RU Newcastle upon Tyne, United Kingdom
2. CHOSE (Centre for Hybrid and Organic Solar Energy), Department of Electronic Engineering, University of Rome “Tor Vergata”, via del Politecnico 1, 00133 Rome, Italy
3. Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, 502285 Sangareddy, Telangana, India