1. Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
2. X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
3. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
4. Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
5. Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, United States