1. Beijing National Laboratory for Molecular Science, CAS Key Laboratory
of Engineering Plastics, CAS Research/Education Center for Excellence
in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
2. Beijing Key Laboratory of Organic Materials Testing Technology and
Quality Evaluation, Beijing Engineering Research Center of Food Safety
Analysis, Beijing Center for Physical and Chemical Analysis, Beijing 100089, P. R. China
3. University
of Chinese Academy of Sciences, Beijing 100049, P. R. China
4. POLYMAT and Polymer Science and Technology Department, Faculty of
Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel
de Lardizabal 3, Donostia-San Sebastián 20018, Spain
5. IKERBASQUE, Basque
Foundation for Science, Bilbao, Spain