1. Department of Materials, University of California, Santa Barbara, California
93106, United States
2. Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory,
Menlo Park, California 94025, United States
3. Center for Polymers and Organic Solids, Department of Chemistry & Biochemistry, University of California, Santa Barbara, California 93106, United States
4. Department of Chemical Engineering, University of California, Santa Barbara, California
93106, United States