"Seunghwan Ji,Takahiro Hayakawa,Naoki Suyama,Kazuyoshi Nakada,AKIRA YAMADA","Enhancement of Cu(In,Ga)Se2 solar cells efficiency by controlling the formation of Cu-deficient layer",,"Japanese Journal of Applied Physics",,"vol. 59",,"  0410003",2020,Mar.
"Ji Seunghwan,‘��ì ‹M�G,“©ŽR ’¼Ž÷,’†“c ˜a‹g,ŽR“c –¾","Se�Ǝ˃vƒ�ƒZƒX‹y‚Ñ3’iŠK–Ú�»–ŒŽžŠÔ‚ªCuŒ‡‘¹‘wŒ`�¬‚É—^‚¦‚é‰e‹¿‚̉ð�Í","‘æ80‰ñ‰ž—p•¨—�Šw‰ï�H‹GŠw�p�u‰‰‰ï",,,,,,2019,Sept.
"JI SEUNGHWAN,“©ŽR ’¼ Ž÷,’†“c ˜a‹g,ŽR“c –¾","Cu-Se‘Š‹y‚Ð?Se�Ǝ˃t?ƒ�ƒZƒX‚ÌCIGS‘¾—z“d’r“Á �«‚ւ̉e‹¿‰ð�Í","‘æ 16 ‰ñ �uŽŸ�¢‘ã‚Ì‘¾—zŒõ”­“dƒVƒXƒeƒ€�vƒVƒ“ƒ|ƒWƒEƒ€",,,,,,2019,July
"SEUNGHWAN JI,“©ŽR ’¼Ž÷,’†“c ˜a‹g,ŽR“c –¾","Se�Ǝ˃vƒ�ƒZƒX‚É‚æ‚éCu(In,Ga)Se2•\–ÊCu-Se‘Š‚̕ω»","‘æ66‰ñ‰ž—p•¨—�Šw‰ï�t‹GŠw�p�u‰‰‰ï",,,,,,2019,Mar.
"SeungHwan Ji,Naoki Suyama,Kazuyoshi Nakada,Akira Yamada","Characterization of CIGS Surface by CL Method","The 7th Korea-Japan Joint Seminar on PV",,,,,,2018,Nov.