1. Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325-3909, United States
2. Department of Chemistry, University of Akron, Akron, Ohio 44325-3601, United States
3. X-ray Science Division, Advanced Photon Source Argonne National Laboratory, Lemont, Illinois 60439, United States
4. Department of Chemistry and Biochemistry, Northern Illinois University, Faraday Hall, DeKalb, Illinois 60115, United States
5. South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, China