Author Affiliations

M. Pournoury,^* H. E. Joe,^** T. Nazari,^* J. H. Park,^*** Y. M. Sung,^**** B. K. Min,^** S. Im,^*** D. Kim,^**** and K. Oh^*,1

^*Photonic Device Physics Laboratory, Institute of Physics and Applied Physics, Yonsei University, Seoul, South Korea

^**School of mechanical engineering, Yonsei University, 134 Sinchon-dong, Seodaemun-gu, Seoul 120-749, South Korea

^***Electron Device Laboratory, Institute of Physics and Applied Physics, Yonsei University, Seoul 120–749, South Korea

^****Department of Chemistry, Yonsei University, Shinchon-dong 134, Seodaemoon-gu, Seoul 120-749, South Korea

¹ koh@yonsei.ac.kr