1. Department of Chemistry, University of Washington, Seattle, Washington98195, United States
2. Molecular Engineering & Sciences Institute, University of Washington, Seattle, Washington98195, United States
3. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia30332, United States
4. CubicPV Inc., Dallas, Texas75201, United States
5. School of Physics, Georgia Institute of Technology, Atlanta, Georgia30332, United States
6. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia30332, United States