Yu Jung Park¹, Hee Kyung Hwang², Yejoo Park², Ju-Hyeon Lee³, Jin Hee Lee¹, WALKER Bright ², Han-Ki Kim³, Jung Hwa Seo*¹ 

¹Department of Physics, University of Seoul

²Department of Chemistry, Kyung Hee University

³School of Advanced Materials Science and Engineering, Sungkyunkwan University

Jin Hee Lee¹, Jung Won Kim¹, Yeasin Khan¹,², Seunghwan Kim³, Ae Jin Choi³, Bright Walker²*, Soohyung Park³,⁴*, Jung Hwa Seo¹* 

¹Department of Physics, University of Seoul 

²Department of Chemistry, Kyung Hee University 

³Advanced Analysis Center Korea Institute of Science and Technology (KIST) 

⁴Division of Nano & Information Technology Korea Institute of Science and Technology (KIST) School University of Science ang Technology (UST) 

Taeyun Shim¹, Yu Jung Park¹, Jin Hee Lee¹, Ah-Hyun Hong², Bright Walker³, Dong-Wook Park², Sang Wan Cho⁴, Jung Hwa Seo¹ 

¹,Department of Physics, University of Seoul 

²School of Electrical and Computer Engineering, University of Seoul 

³Department of Chemistry, Kyung Hee University 

⁴Department of Physics, Yonsei University 

PARK Yu Jung ¹, HWANG Hee Kyung ², PARK Yejoo ², LEE Ju Hyeon ³, KIM Han-Ki ³, WALKER Bright ², SEO Jung Hwa *¹ 

¹Physics, University of Seoul

²Department of Chemistry, Kyung Hee University

³School of Advanced Materials Science and Engineering, Sungkyunkwan University

LEE JinHee ¹,  SEO Jung Hwa *¹ 

¹Physics, University of Seoul

SHIM Taeyun ¹,  SEO Jung Hwa *¹ 

¹Physics, University of Seoul