1. Department of Chemistry and the Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
2. State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, China
3. Department of Materials Science and Engineering and Shenzhen Key Laboratory for Printed Organic Electronics, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong 518055, China
4. Flexterra Inc., 8025 Lamon Avenue, Skokie, Illinois 60077, United States