Affiliation: | 1. Department of Polymer Science, The University of Akron, Akron, Ohio 44325‐3909 (USA), Phone: (+1)?3309723496;2. Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015 (USA);3. Department of Chemistry, Tsinghua University, Beijing 100084 (P. R. China);4. X‐ray Science Division, Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439 (USA) |