Applied Physics Letters, volume 109, issue 18, pages 183105
Single-step colloidal quantum dot films for infrared solar harvesting
Amirreza Kiani
1
,
Brandon R Sutherland
1
,
Younghoon Kim
1
,
Olivier Ouellette
1
,
Larissa Levina
1
,
Grant Walters
1
,
Cao Thang Dinh
1
,
Mengxia Liu
1
,
Oleksandr Voznyy
1
,
Xinzheng Lan
1
,
Andre J Labelle
1
,
Alexander H. Ip
1
,
Andrew Proppe
1
,
Ghada H Ahmed
2
,
Omar F. Mohammed
2
,
Sjoerd Hoogland
1
,
Edward H Sargent
1
1
University of Toronto 1 Department of Electrical and Computer Engineering, , 10 King's College Road, Toronto, Ontario M5S 3G4, Canada
|
Publication type: Journal Article
Publication date: 2016-10-31
Journal:
Applied Physics Letters
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 4
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
Semiconductors with bandgaps in the near- to mid-infrared can harvest solar light that is otherwise wasted by conventional single-junction solar cell architectures. In particular, colloidal quantum dots (CQDs) are promising materials since they are cost-effective, processed from solution, and have a bandgap that can be tuned into the infrared (IR) via the quantum size effect. These characteristics enable them to harvest the infrared portion of the solar spectrum to which silicon is transparent. To date, IR CQD solar cells have been made using a wasteful and complex sequential layer-by-layer process. Here, we demonstrate ∼1 eV bandgap solar-harvesting CQD films deposited in a single step. By engineering a fast-drying solvent mixture for metal iodide-capped CQDs, we deposited active layers greater than 200 nm in thickness having a mean roughness less than 1 nm. We integrated these films into infrared solar cells that are stable in air and exhibit power conversion efficiencies of 3.5% under illumination by the full solar spectrum, and 0.4% through a simulated silicon solar cell filter.
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Citations by publishers
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Kiani A. et al. Single-step colloidal quantum dot films for infrared solar harvesting // Applied Physics Letters. 2016. Vol. 109. No. 18. p. 183105.
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Kiani A., Sutherland B. R., Kim Y., Ouellette O., Levina L., Walters G., Dinh C. T., Liu M., Voznyy O., Lan X., Labelle A. J., Ip A. H., Proppe A., Ahmed G. H., Mohammed O. F., Hoogland S., Sargent E. H. Single-step colloidal quantum dot films for infrared solar harvesting // Applied Physics Letters. 2016. Vol. 109. No. 18. p. 183105.
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TY - JOUR
DO - 10.1063/1.4966217
UR - https://doi.org/10.1063/1.4966217
TI - Single-step colloidal quantum dot films for infrared solar harvesting
T2 - Applied Physics Letters
AU - Kiani, Amirreza
AU - Sutherland, Brandon R
AU - Kim, Younghoon
AU - Ouellette, Olivier
AU - Levina, Larissa
AU - Walters, Grant
AU - Dinh, Cao Thang
AU - Liu, Mengxia
AU - Voznyy, Oleksandr
AU - Lan, Xinzheng
AU - Labelle, Andre J
AU - Ip, Alexander H.
AU - Proppe, Andrew
AU - Ahmed, Ghada H
AU - Mohammed, Omar F.
AU - Hoogland, Sjoerd
AU - Sargent, Edward H
PY - 2016
DA - 2016/10/31 00:00:00
PB - American Institute of Physics (AIP)
SP - 183105
IS - 18
VL - 109
SN - 0003-6951
SN - 1077-3118
ER -
Cite this
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@article{2016_Kiani,
author = {Amirreza Kiani and Brandon R Sutherland and Younghoon Kim and Olivier Ouellette and Larissa Levina and Grant Walters and Cao Thang Dinh and Mengxia Liu and Oleksandr Voznyy and Xinzheng Lan and Andre J Labelle and Alexander H. Ip and Andrew Proppe and Ghada H Ahmed and Omar F. Mohammed and Sjoerd Hoogland and Edward H Sargent},
title = {Single-step colloidal quantum dot films for infrared solar harvesting},
journal = {Applied Physics Letters},
year = {2016},
volume = {109},
publisher = {American Institute of Physics (AIP)},
month = {oct},
url = {https://doi.org/10.1063/1.4966217},
number = {18},
pages = {183105},
doi = {10.1063/1.4966217}
}
Cite this
MLA
Copy
Kiani, Amirreza, et al. “Single-step colloidal quantum dot films for infrared solar harvesting.” Applied Physics Letters, vol. 109, no. 18, Oct. 2016, p. 183105. https://doi.org/10.1063/1.4966217.