@article{CTT100807999,
  author = {Jakapan Chantana and Takahito Nishimura and Yu Kawano and Naoki Suyama and Akira Yamada and Yoshinori Kimoto and Takuya Kato and Hiroki Sugimoto and Takashi Minemoto},
  title = {Aging effect of a Cu(In,Ga)(S,Se)2 absorber on the photovoltaic performance of its Cd-free solar cell fabricated by an all-dry process: its carrier recombination analysis},
  journal = {Advanced Energy Materials},
  year = 2019,
}

@article{CTT100802985,
  author = {Takahito Nishimura and Kazuyoshi Nakada and Akira Yamada},
  title = {Examination of a Cu-Deficient Layer on Cu(In, Ga)Se2 Films Fabricated by a Three-Stage Process for Highly Efficient Solar Cells},
  journal = {Applied Energy Materials},
  year = 2019,
}