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