Author Affiliations

S. C. Chen,¹ Y. G. Liao,^1,3 H. J. Chen,¹ H. C. Kuo,^2,* K. H. Wu,¹ and Takayoshi Kobayashi¹

¹Department of Electrophysics, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan

²Department of Photonic & Institute of Electro-Optical Engineering, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan

³Compound Semiconductor Solar Cell Department, Next Generation Solar Cell Division, Green Energy and Environment Research Laboratories, Industrial Technology Research Institute, Hsinchu 300, Taiwan, R.O.C.

^*Corresponding author: hckuo@faculty.nctu.edu.tw