1. Department of Electrical Engineering Stanford University Stanford CA 94305 USA
2. Department of Chemical Engineering Stanford University Stanford CA 94305 USA
3. School of Electronic Science and Engineering Nanjing University Nanjing 210093 China
4. Department of Chemical and Biological Engineering University at Buffalo Buffalo NY 14260 USA
5. Department of Electrical and Computer Engineering Sungkyunkwan University 16419 Suwon South Korea
6. Samsung Display Suwon 17113 South Korea
7. Asahi Kasei Tokyo 100‐0006 Japan
8. Department of Chemical Engineering (Integrated Engineering Program) Kyung Hee University Yongin 17104 South Korea
9. Department of Mechanical and Aerospace Engineering University of California Los Angeles Los Angeles CA 90095 USA