1. Beijing National Laboratory for Molecular
Sciences, CAS Key Laboratory of Engineering Plastics, Institute of
Chemistry, Chinese Academy of Sciences, Beijing 100190, China
2. State Key Laboratory of Functional Materials
for Informatics, Shanghai Institute of Microsystem and Information
Technology, Chinese Academy of Sciences, Shanghai 200050, China
3. Shanghai Synchrotron Radiation Facility,
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China
4. POLYMAT
and Polymer Science and Technology Department, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
5. IKERBASQUE - Basque Foundation for Science, Bilbao, Spain