1. Department
of Chemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
2. X-ray
Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, United States
3. Department
of Chemical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
4. Macromolecules
Innovation Institute, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States
5. College
of Chemical Engineering, State Key Laboratory of Materials-Oriented
Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
6. Department
of Chemistry, Brookhaven National Laboratory, Upton, New York 11973-5000, United States