1. Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, USA
2. Institute of Nanoscience and Engineering, University of Arkansas, Fayetteville, USA
3. Department of Chemistry and Biochemistry, University of Nevada, Las Vegas (UNLV), USA
4. Institute for Photon Science and Synchrotron Radiation (IPS) and Institute for Chemical Technology and Polymer Chemistry (ITCP), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
5. Department of Chemical Engineering, Pennsylvania State University, USA