@article{CTT100819426,
  author = {Kazuyoshi Nakada and Motoki Watanabe and Takahito Nishimura and Naoki Suyama and Akira Yamada},
  title = {Improvement of Cu(In,Ga)Se2 solar cell performance by thiourea treatment},
  journal = {Japanese Journal of Applied Physics},
  year = 2020,
}

@article{CTT100833123,
  author = {Seunghwan Ji and Takahiro Hayakawa and Naoki Suyama and Kazuyoshi Nakada and AKIRA YAMADA},
  title = {Enhancement of Cu(In,Ga)Se2 solar cells efficiency by controlling the formation of Cu-deficient layer},
  journal = {Japanese Journal of Applied Physics},
  year = 2020,
}