1. School of Materials Science and Engineering (SMSE)
2. Gwangju Institute of Science and Technology (GIST)
3. Gwangju 61005
4. Republic of Korea
5. Advanced Photonics Research Institute (APRI)
6. Department of Materials Science and Engineering
7. Korea University
8. Seoul 02841
9. Research Institute of Solar and Sustainable Energies (RISE)