1. Department of Chemical Engineering, Columbia University, New York, New York 10027, United States
2. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
3. Alfred University, Alfred, New York 14802, United States
4. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States