[1] School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta,GA,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,NY,11973, United States
[4] Advanced Photon Source, Argonne National Laboratory, Lemont,IL,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, Republic of