1. Materials Department and Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
2. Department of Materials Science and Engineering, University of California, Los Angeles, California 90095, United States
3. Department of Chemistry, University of Southern California, Los Angeles, California 90089, United States
4. Mechanical and Aerospace Engineering Department, University of California, Los Angeles, California 90095, United States
5. Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
6. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
7. Program of Materials Science and Engineering, University of California San Diego, La Jolla, California 92093, United States
8. Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, United States