1. Department
of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
2. Argonne-Northwestern
Solar Energy Research (ANSER) Center, Northwestern University, 2145 Sheridan
Road, Evanston, Illinois 60208, United States
3. Materials
and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
4. College
of Chemistry and Molecular Science, Wuhan University, Wuhan, Hubei Province 430072, People’s Republic of China
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