1. Department of Materials Science and Engineering University of Michigan Ann Arbor MI 48109-2136 USA
2. Department of Chemistry National University of Singapore Singapore 117549 Singapore
3. Department of Chemical Engineering University of Michigan Ann Arbor MI 48109-2136 USA
4. Department of Chemistry and Chemical Biology Gunma University Kiryu 376-8515 Japan
5. ICGM Univ Montpellier, CNRS, ENSCM Montpellier 34296 France
6. Department of Chemistry and Center for Photochemical Science Bowling Green State University Bowling Green OH 43403 USA
7. Center for Organic Electronic and Alternative Energy, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science Ubon Ratchathani University Ubon Ratchathani 34190 Thailand