1. Sensor System Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
2. Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
3. KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Republic of Korea
4. Center of Water Cycle Research, Korea Institute of Science and Technology (KIST), Seoul, 02792, Republic of Korea