1. Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
2. Department
of Chemical Sciences, University of Padova, Via Marzolo 1, Padova 35131, Italy
3. Argonne-Northwestern
Solar Energy Research (ANSER) Center, Northwestern University, 2145 Sheridan
Road, Evanston, Illinois 60208, United States
4. Materials
and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
5. NanoCentury
KAIST Institute and Graduate School of EEWS (WCU), Korea Advanced Institute of Science and Technology (KAIST), 373-1 Guseong Dong, Yuseong Gu, Daejeon 305-701, Republic of Korea