1. School of Materials Science and Engineering Beihang University Beijing 100191 China
2. School of Physics and Nuclear Energy Engineering Beihang University Beijing 100191 China
3. Synchrotron Radiation Nanotechnology Center University of Hyogo Hyogo 679–5165 Japan
4. Beijing Synchrotron Radiation Facility (BSRF) Beijing 100049 China
5. Department of Chemical Engineering The University of Melbourne Parkville VIC 3010 Australia
6. Intelligent Polymer Research Institute and ARC Centre of Excellence for Electromaterials Science Australian Institute for Innovative Materials Innovation Campus University of Wollongong Squires Way North Wollongong NSW 2500 Australia