1. Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
2. Department of Materials Science & Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213, United States
3. Xi’an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi’an 710072, China
4. Institute of Flexible Electronics, Northwestern Polytechnical University, Xi’an 710072, China
5. Institute of Polymer and Dye Technology, Technical University of Lodz, Stefanowskiego 12/16, 90 924 Lodz, Poland