1. National Institute of Standards and Technology (NIST), Gaithersburg, Maryland 20899, USA
2. Google, Mountain View, California 94043, USA
3. Applied Materials, Inc., Santa Clara, California 95054, USA
4. Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, USA
5. Charles Stark Draper Laboratory, Cambridge, Massachusetts 02139, USA
6. School of Electronic Engineering, Bangor University, Gwynedd LL57 2DG, United Kingdom
7. Intermolecular, Inc., San Jose, California 95134, USA
8. Clark Street Associates, Palo Alto, California 94301, USA
9. Joint Center for Artificial Photosynthesis (JCAP), Pasadena, California 91125, USA
10. SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
11. Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
12. National Renewable Energy Laboratory (NREL), Golden, Colorado 80401, USA