1. Department of Materials Science and Engineering Yonsei University 50 Yonsei‐ro, Seodaemun‐gu Seoul 03722 Republic of Korea
2. KIURI Institute Yonsei University 50 Yonsei‐ro, Seodaemun‐gu Seoul 03722 Republic of Korea
3. Nick J. Holonyak Micro and Nanotechnology Laboratory University of Illinois at Urbana–Champaign Urbana IL 61801 USA
4. Department of Chemical and Biomolecular Engineering Yonsei University Yonsei‐ro 50, Seodaemun‐gu Seoul 03722 Republic of Korea
5. Department of Chemistry University of California Berkeley Berkeley CA 94720 USA
6. School of Chemical Engineering Soongsil University Seoul 06978 Republic of Korea