TY - JOUR
T1 - Passivation Using Molecular Halides Increases Quantum Dot Solar Cell Performance
AU - Lan, Xinzheng
AU - Voznyy, Oleksandr
AU - Kiani, Amirreza
AU - García de Arquer, F. Pelayo
AU - Abbas, Abdullah Saud
AU - Kim, Gi-Hwan
AU - Liu, Mengxia
AU - Yang, Zhenyu
AU - Walters, Grant
AU - Xu, Jixian
AU - Yuan, Mingjian
AU - Ning, Zhijun
AU - Fan, Fengjia
AU - Kanjanaboos, Pongsakorn
AU - Kramer, Illan J.
AU - Zhitomirsky, David
AU - Lee, Philip
AU - Perelgut, Alexander
AU - Hoogland, Sjoerd
AU - Sargent, Edward H.
N1 - KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-11-009-21
Acknowledgements: X.L., O.V., A.K., and F.P.G.A. contributed equally to this work. This publication is based in part on work supported by Award KUS-11-009-21, made by King Abdullah University of Science and Technology (KAUST), by the Ontario Research Fund – Research Excellence Program, and by the Natural Sciences and Engineering Research Council (NSERC) of Canada and by the International Cooperation of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea govenment Ministry of Knowledge Economy (2012T100100740). The authors thank E. Palmiano, L. Levina, A. Labelle, R. Wolowiec, and D. Kopilovic for their help over the course of this study.
This publication acknowledges KAUST support, but has no KAUST affiliated authors.
PY - 2015/11/18
Y1 - 2015/11/18
N2 - © 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 allows thicker solar-cell devices to be built while preserving efficient charge collection, leading to a certified power conversion efficiency of 9.9%, which is a new record in CQD solar cells.
AB - © 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 allows thicker solar-cell devices to be built while preserving efficient charge collection, leading to a certified power conversion efficiency of 9.9%, which is a new record in CQD solar cells.
UR - http://hdl.handle.net/10754/599149
UR - http://doi.wiley.com/10.1002/adma.201503657
UR - http://www.scopus.com/inward/record.url?scp=84954027690&partnerID=8YFLogxK
U2 - 10.1002/adma.201503657
DO - 10.1002/adma.201503657
M3 - Article
C2 - 26576685
SN - 0935-9648
VL - 28
SP - 299
EP - 304
JO - Advanced Materials
JF - Advanced Materials
IS - 2
ER -