Impedance Spectroscopic Study of p-i-n Type a-Si Solar Cell by Doping Variation of p-Type Layer.Published in:International Journal of Photoenergy, 2012, p. 1, doi. 10.1155/2012/767248By:Sunhwa Lee;Seungman Park;Jinjoo Park;Youngkuk Kim;Hyeongsik Park;Juyeun Jang;Chonghoon Shin;Youn-Jung Lee;Seungsin Baek;Minbum Kim;Junhee Jung;Junsin YiPublication type:Article