1. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
2. Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche “Giulio Natta” (CNR-SCITEC), Perugia 06123, Italy
3. National Synchrotron Light Source II, Brookhaven National Lab, Upton, New York 11973, United States
4. Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, United States
5. Department of Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, Berlin 14109, Germany
6. Freie Universitaet Berlin, Institute of Geological Sciences, Malteser Str. 74-200, Berlin 12249, Germany
7. Department of Chemistry, Biology and Biotechnology, University of Perugia and UdR INSTM, Perugia 06123, Italy
8. Department of Natural Sciences & Mathematics, College of Sciences & Human Studies, Prince Mohammad Bin Fahd University, Dhahran 34754, Saudi Arabia
9. SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 440-746, Korea