1. Department of Liberal Arts and Sciences, and Nanomaterial Research Center; H&H Co. Ltd., Korea National University of Transportation; 50 Daehak-ro Chungju-Si Chungbuk 330-702 Korea
2. Department of Chemistry; Yonsei University; Seoul 120-749 Korea
3. Department of Textile Convergence of Biotechnology and Nanotechnology; Korea Institute of Industrial Technology; 1271-18 Sa 3-dong, Sangnok-gu Ansan-Si Gyeonggi-Do 426-910 Korea
4. Department of Materials Science and Engineering; Hanyang University; 222 Wangsimni-ro, Seongdong-Gu Seoul 133-791 Korea
5. Department of Electronic Engineering; Gachon University; Seongnam 461-701 Korea