Nature Communications (Jan 2020)
Cascade surface modification of colloidal quantum dot inks enables efficient bulk homojunction photovoltaics
- Min-Jae Choi,
- F. Pelayo García de Arquer,
- Andrew H. Proppe,
- Ali Seifitokaldani,
- Jongmin Choi,
- Junghwan Kim,
- Se-Woong Baek,
- Mengxia Liu,
- Bin Sun,
- Margherita Biondi,
- Benjamin Scheffel,
- Grant Walters,
- Dae-Hyun Nam,
- Jea Woong Jo,
- Olivier Ouellette,
- Oleksandr Voznyy,
- Sjoerd Hoogland,
- Shana O. Kelley,
- Yeon Sik Jung,
- Edward. H. Sargent
Affiliations
- Min-Jae Choi
- Department of Electrical and Computer Engineering, University of Toronto
- F. Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto
- Andrew H. Proppe
- Department of Electrical and Computer Engineering, University of Toronto
- Ali Seifitokaldani
- Department of Electrical and Computer Engineering, University of Toronto
- Jongmin Choi
- Department of Electrical and Computer Engineering, University of Toronto
- Junghwan Kim
- Department of Electrical and Computer Engineering, University of Toronto
- Se-Woong Baek
- Department of Electrical and Computer Engineering, University of Toronto
- Mengxia Liu
- Department of Electrical and Computer Engineering, University of Toronto
- Bin Sun
- Department of Electrical and Computer Engineering, University of Toronto
- Margherita Biondi
- Department of Electrical and Computer Engineering, University of Toronto
- Benjamin Scheffel
- Department of Electrical and Computer Engineering, University of Toronto
- Grant Walters
- Department of Electrical and Computer Engineering, University of Toronto
- Dae-Hyun Nam
- Department of Electrical and Computer Engineering, University of Toronto
- Jea Woong Jo
- Department of Electrical and Computer Engineering, University of Toronto
- Olivier Ouellette
- Department of Electrical and Computer Engineering, University of Toronto
- Oleksandr Voznyy
- Department of Electrical and Computer Engineering, University of Toronto
- Sjoerd Hoogland
- Department of Electrical and Computer Engineering, University of Toronto
- Shana O. Kelley
- Department of Chemistry, University of Toronto
- Yeon Sik Jung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST)
- Edward. H. Sargent
- Department of Electrical and Computer Engineering, University of Toronto
- DOI
- https://doi.org/10.1038/s41467-019-13437-2
- Journal volume & issue
-
Vol. 11,
no. 1
pp. 1 – 9
Abstract
It is challenging to realize doping and surface passivation simultaneously in colloidal quantum dot inks. Here Choi et al. employ a cascade surface modification approach to solve the problem and obtain record high efficiency of 13.3% for bulk homojunction solar cells based on these inks.
