Affiliation: | 1. Research Institute for Solar and Sustainable Energies (RISE), Gwangju Institute of Science and Technology (GIST), Gwangju 500 712, Republic of Korea;2. Thin Film Materials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, Maharashtra, India;3. Thin Film Photonic and Electronics Lab, Department of Materials Science and Engineering, Chonnam National University, Gwangju 500 757, Republic of Korea;4. Thin Film Nanomaterials Laboratory, Department of Physics, Shivaji University, Kolhapur 416004, Maharashtra, India;5. School of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500 712, Republic of Korea |