1. Department of Energy Engineering
2. School of Energy and Chemical Engineering
3. Ulsan National Institute of Science and Technology (UNIST)
4. Ulsan 44919
5. Korea
6. Materials & Components Basic Research Group
7. Electronics and Telecommunication Research Institute (ETRI)
8. Daejeon 34129
9. Department of Physics and Graphene Research Institute
10. Sejong University
11. Seoul 05006
12. Institute of Advanced Composite Materials
13. Korea Institute of Science and Technology
14. Department of Physics
15. Chungnam National University
16. Daejeon 34134