| Authors: |
Lee JY; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea., An JH; Ulsan Advanced Energy Technology R&D Center, Korea Institute of Energy Research, Ulsan 44776, South Korea.; Department of Materials Science and Engineering, Korea University, Seoul 02841, South Korea., Sim SW; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea.; Photovoltaics Research Department, Korea Institute of Energy Research, Daejeon 34129, South Korea., Kim DH; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea.; Photovoltaics Research Department, Korea Institute of Energy Research, Daejeon 34129, South Korea., Kim Y; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea., Han YT; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea.; Photovoltaics Research Department, Korea Institute of Energy Research, Daejeon 34129, South Korea., Park SM; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea., Lee SH; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea., Seong KJ; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea.; Photovoltaics Research Department, Korea Institute of Energy Research, Daejeon 34129, South Korea., Oh SJ; Department of Materials Science and Engineering, Korea University, Seoul 02841, South Korea., Lee J; Semiconductor R&D Center, Samsung Electronics Co., Ltd., Hwasung 18448, South Korea., Song HE; Photovoltaics Research Department, Korea Institute of Energy Research, Daejeon 34129, South Korea., Oh JH; Ulsan Advanced Energy Technology R&D Center, Korea Institute of Energy Research, Ulsan 44776, South Korea., Kim KH; Department of Physics, Chungbuk National University, Cheongju 28644, South Korea. |