Nature Journal Illustration Design Service (opto)

¹ Department of Materials Science and Engineering, Southern University of Science and Technology (SUSTech), Shenzhen, Guangdong, China.

² Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, Sweden.

³ Dipartimento di Scienze Chimiche, Università di Roma “La Sapienza” and INSTM, UdR Roma, Roma, Italy.

⁴ Flexterra Corporation, Skokie, IL, USA.

⁵ Department of Chemistry, Korea University, Seoul, South Korea.

⁶ Department of Chemistry and the Materials Research Center, Northwestern University, Evanston, IL, USA.