Tetsuo Soga, Tomoya Nakagaki, Shinya Kato, and Naoki Kishi. “Effect of Sublimation Temperature on the Photovoltaic Properties of Amorphous Carbon Thin Films from Fullerene”. Journal of Solar Energy Research Updates 5 (March 5, 2018):  8–13. Accessed May 21, 2024. https://zealpress.com/jms/index.php/jseru/article/view/2.