Masaya Ando, Shinya Kato, Naoki Kishi, and Tetsuo Soga. “Fabrication and Characterization of DSSC/Si Tandem Solar Cell With PEDOT:PSS/ITO Buffer Layer”. Journal of Solar Energy Research Updates 7 (January 20, 2020):  7–11. Accessed April 27, 2024. https://zealpress.com/jms/index.php/jseru/article/view/36.