1. Reliability Assessment Center for Chemical Materials, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro,
Yuseong-gu, Daejeon 34114, South Korea
2. Department of Polymer Science & Engineering, Polymeric Nanomaterials Laboratory, Kyungpook National University, 1370 Sankyuk-dong, Buk-ku, Daegu 41566, South Korea
3. Department of Materials Science and Engineering, Graduate School of Engineering, University of Fukui, Bunkyo 3-9-1, Fukui 910-8507, Japan
4. Advanced Photonics Research Institute, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 61005, South Korea