1. Department
of Chemistry and the Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
2. Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, 199 Ren’ai Road, Suzhou 215123, China
3. Applied
Physics Program, Materials Science and Engineering Department and
the Materials Research Center, Northwestern University, 2220 Campus
Drive, Evanston, Illinois 60208, United States
4. Polyera Corporation, 8045 Lamon
Avenue, Skokie, Illinois 60077, United States