1. School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
2. Air Solution R&D Laboratory, Home Appliance & Air Solution Company, LG Electronics, 51, Gasan Digital 1-ro, Geumcheon-gu, Seoul 08592, Republic of Korea
3. PURIFYTECHNO, 63-Hanamsandan, 9 Beon-ro, Gwangsan-gu, Gwangju 62210, Republic of Korea