1. School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
2. State Key
Laboratory for Modification of Chemical Fibers and Polymer Materials,
College of Material Science and Engineering, Donghua University, Shanghai 201620, People’s Republic of China
3. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
4. Department
of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
5. NIST Center for Neutron Research, National Institute of Standards and Technology, 100 Bureau Dr., Gaithersburg, Maryland 20899, United States
6. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States