1. Key
Laboratory of Beijing City on Preparation and Processing of Novel
Polymer Materials, Beijing University of Chemical Technology, 100029 Beijing, People’s Republic of China
2. Eduard-Zintl-Institut für Anorganische und Physikalische Chemie and Profile Area Thermofluids & Interfaces, Technische Universität Darmstadt, Alarich-Weiss-Str.8, 64287 Darmstadt, Germany