1. Solar and Photovoltaics Engineering Research Center; Division of Physical Science and Engineering; King Abdullah University of Science and Technology; Thuwal 23955-6900 Saudi Arabia
2. Cornell High Energy Synchrotron Source (CHESS); Cornell University; Ithaca NY 14853 USA
3. Advanced Imaging and Characterization Laboratory; King Abdullah University of Science and Technology; Thuwal 23955-6900 Saudi Arabia
4. Department of Chemistry; University of KentuckyLexington; KY 40506 USA