1. Nano & Bio Research Division Daegu Gyeongbuk Institute of Science and Technology 50–1 Sang‐Ri, Hyeonpung‐Myeon, Dalseong‐Gun Daegu 711–873 Republic of Korea
2. Department of Physics and Division of Energy System Research Ajou University San 5 Woncheon‐Dong, Yeongtong‐Gu Suwon 443–749 Republic of Korea