Passivation Using Molecular Halides Increases Quantum Dot Solar Cell Performance

• Main Authors: Xinzheng Lan, Oleksandr Voznyy, Amirreza Kiani, F. Pelayo García De Arquer, Abdullah Saud Abbas, Gi Hwan Kim, Mengxia Liu, Zhenyu Yang, Grant Walters, Jixian Xu, Mingjian Yuan, Zhijun Ning, Fengjia Fan, Pongsakorn Kanjanaboos, Illan Kramer, David Zhitomirsky, Philip Lee, Alexander Perelgut, Sjoerd Hoogland, Edward H. Sargent
• Other Authors: University of Toronto
• Format: Article
• Published: 2018
• Subjects: Engineering; Materials Science
• Online Access: https://repository.li.mahidol.ac.th/handle/123456789/40672
• Institution: Mahidol University

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Here we report a solution-based passivation scheme is developed featuring the use of molecular iodine and PbS colloidal quantum dots (CQDs). The improved passivation translates into a longer carrier diffusion length in the solid film. This all...