1. School
of Chemistry and Biochemistry and Center for Organic Photonics and
Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, United States
2. School
of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
3. Solar
and Photovoltaics Engineering Research Center, Division of Physical
Science and Engineering, King Abdullah University of Science and Technology—KAUST, Thuwal 23955-6900, Kingdom of Saudi Arabia
4. Department
of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Kingdom of Saudi Arabia