Affiliation: | 1. Department of Electrical and Computer Engineering, Sungkyunkwan University, Suwon, Gyeonggi‐do, Korea;2. Department of Energy Systems Research and Department of Materials Science and Engineering, Ajou University, Suwon, Gyeonggi‐do, Korea;3. SKKU Advanced Institute of Nanotechnology, School of Advanced Material Science and Engineering, Sungkyunkwan University (SKKU), Suwon, Gyeonggi‐do, Korea |