Advanced Functional Materials, volume 30, issue 4, pages 1907379

Cation‐Exchange Synthesis of Highly Monodisperse PbS Quantum Dots from ZnS Nanorods for Efficient Infrared Solar Cells

Yong Xia 1
Sisi Liu 1
Kai Wang 1
Xiaokun Yang 2
Linyuan Lian 1
Zhiming Zhang 1
Jungang He 3
Guijie Liang 4
Song Wang 4
Manlin Tan 5
Haisheng Song 2
Daoli Zhang 1
Yamei Liu 6
Jiang Hong Tang 2
Publication typeJournal Article
Publication date2019-11-04
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor19
ISSN1616301X, 16163028
Electronic, Optical and Magnetic Materials
Electrochemistry
Condensed Matter Physics
Biomaterials
Abstract
Infrared solar cells that utilize low-bandgap colloidal quantum dots (QDs) are promising devices to enhance the utilization of solar energy by expanding the harvested photons of common photovoltaics into the infrared region. However, the present synthesis of PbS QDs cannot produce highly efficient infrared solar cells. Here, a general synthesis is developed for low-bandgap PbS QDs (0.65–1 eV) via cation exchange from ZnS nanorods (NRs). First, ZnS NRs are converted to superlattices with segregated PbS domains within each rod. Then, sulfur precursors are released via the dissolution of the ZnS NRs during the cation exchange, which promotes size focusing of PbS QDs. PbS QDs synthesized through this new method have the advantages of high monodispersity, ease-of-size control, in situ passivation of chloride, high stability, and a “clean” surface. Infrared solar cells based on these PbS QDs with different bandgaps are fabricated, using conventional ligand exchange and device structure. All of the devices produced in this manner show excellent performance, showcasing the high quality of the PbS QDs. The highest performance of infrared solar cells is achieved using ≈0.95 eV PbS QDs, exhibiting an efficiency of 10.0% under AM 1.5 solar illumination, a perovskite-filtered efficiency of 4.2%, and a silicon-filtered efficiency of 1.1%.

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Xia Y. et al. Cation‐Exchange Synthesis of Highly Monodisperse PbS Quantum Dots from ZnS Nanorods for Efficient Infrared Solar Cells // Advanced Functional Materials. 2019. Vol. 30. No. 4. p. 1907379.
GOST all authors (up to 50) Copy
Xia Y., Liu S., Wang K., Yang X., Lian L., Zhang Z., He J., Liang G., Wang S., Tan M., Song H., Zhang D., Liu Y., Tang J. H., Beard M. C., Zhang J. Cation‐Exchange Synthesis of Highly Monodisperse PbS Quantum Dots from ZnS Nanorods for Efficient Infrared Solar Cells // Advanced Functional Materials. 2019. Vol. 30. No. 4. p. 1907379.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/adfm.201907379
UR - https://doi.org/10.1002/adfm.201907379
TI - Cation‐Exchange Synthesis of Highly Monodisperse PbS Quantum Dots from ZnS Nanorods for Efficient Infrared Solar Cells
T2 - Advanced Functional Materials
AU - Yang, Xiaokun
AU - Lian, Linyuan
AU - He, Jungang
AU - Liang, Guijie
AU - Wang, Song
AU - Tan, Manlin
AU - Zhang, Jianbing
AU - Xia, Yong
AU - Liu, Sisi
AU - Wang, Kai
AU - Zhang, Zhiming
AU - Song, Haisheng
AU - Zhang, Daoli
AU - Liu, Yamei
AU - Tang, Jiang Hong
AU - Beard, Matthew C
PY - 2019
DA - 2019/11/04 00:00:00
PB - Wiley
SP - 1907379
IS - 4
VL - 30
SN - 1616-301X
SN - 1616-3028
ER -
BibTex |
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BibTex Copy
@article{2019_Xia,
author = {Xiaokun Yang and Linyuan Lian and Jungang He and Guijie Liang and Song Wang and Manlin Tan and Jianbing Zhang and Yong Xia and Sisi Liu and Kai Wang and Zhiming Zhang and Haisheng Song and Daoli Zhang and Yamei Liu and Jiang Hong Tang and Matthew C Beard},
title = {Cation‐Exchange Synthesis of Highly Monodisperse PbS Quantum Dots from ZnS Nanorods for Efficient Infrared Solar Cells},
journal = {Advanced Functional Materials},
year = {2019},
volume = {30},
publisher = {Wiley},
month = {nov},
url = {https://doi.org/10.1002/adfm.201907379},
number = {4},
pages = {1907379},
doi = {10.1002/adfm.201907379}
}
MLA
Cite this
MLA Copy
Xia, Yong, et al. “Cation‐Exchange Synthesis of Highly Monodisperse PbS Quantum Dots from ZnS Nanorods for Efficient Infrared Solar Cells.” Advanced Functional Materials, vol. 30, no. 4, Nov. 2019, p. 1907379. https://doi.org/10.1002/adfm.201907379.
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