1. Joint
Center for Artificial Photosynthesis, California Institute of Technology, Pasadena, California, 91125, United States
2. Division
of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California, 91125, United States
3. Beckman
Institute, California Institute of Technology, Pasadena, California, 91125, United States
4. Kavli
Nanoscience Institute, California Institute of Technology, Pasadena, California, 91125, United States