1. King Abdullah University of Science and Technology (KAUST) KAUST Solar Center (KSC), and Division of Physical Sciences and Engineering (PSE) Thuwal 23955–6900 Saudi Arabia
2. Department of Materials Science and Engineering and Organic and Carbon Electronics Laboratories (ORaCEL) North Carolina State University Raleigh NC 27695 USA
3. National Synchrotron Light Source II Brookhaven National Laboratory Upton NY 11973 USA
4. Department of Physics and Organic and Carbon Electronics Laboratories (ORaCEL) North Carolina State University Raleigh NC 27695 USA