Nature Materials, volume 10, issue 10, pages 765-771

Colloidal-quantum-dot photovoltaics using atomic-ligand passivation.

Jiang Tang 1
Kyle W Kemp 1
Sjoerd Hoogland 1
Kwang S Jeong 2
Huan Liu 1, 3
Larissa Levina 1
Melissa Furukawa 1
Xihua Wang 1
Ratan Debnath 1
Dongkyu Cha 4
Kang Wei Chou 5
Armin Fischer 1
Aram Amassian 5
John B. Asbury 2
Edward H Sargent 1
Publication typeJournal Article
Publication date2011-09-18
Journal: Nature Materials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor41.2
ISSN14761122, 14764660
General Chemistry
Condensed Matter Physics
General Materials Science
Mechanical Engineering
Mechanics of Materials
Abstract
Colloidal-quantum-dot (CQD) optoelectronics offer a compelling combination of solution processing and spectral tunability through quantum size effects. So far, CQD solar cells have relied on the use of organic ligands to passivate the surface of the semiconductor nanoparticles. Although inorganic metal chalcogenide ligands have led to record electronic transport parameters in CQD films, no photovoltaic device has been reported based on such compounds. Here we establish an atomic ligand strategy that makes use of monovalent halide anions to enhance electronic transport and successfully passivate surface defects in PbS CQD films. Both time-resolved infrared spectroscopy and transient device characterization indicate that the scheme leads to a shallower trap state distribution than the best organic ligands. Solar cells fabricated following this strategy show up to 6% solar AM1.5G power-conversion efficiency. The CQD films are deposited at room temperature and under ambient atmosphere, rendering the process amenable to low-cost, roll-by-roll fabrication.

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GOST |
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GOST Copy
Tang J. et al. Colloidal-quantum-dot photovoltaics using atomic-ligand passivation. // Nature Materials. 2011. Vol. 10. No. 10. pp. 765-771.
GOST all authors (up to 50) Copy
Tang J., Kemp K. W., Hoogland S., Jeong K. S., Liu H., Levina L., Furukawa M., Wang X., Debnath R., Cha D., Chou K. W., Fischer A., Amassian A., Asbury J. B., Sargent E. H. Colloidal-quantum-dot photovoltaics using atomic-ligand passivation. // Nature Materials. 2011. Vol. 10. No. 10. pp. 765-771.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/nmat3118
UR - https://doi.org/10.1038/nmat3118
TI - Colloidal-quantum-dot photovoltaics using atomic-ligand passivation.
T2 - Nature Materials
AU - Tang, Jiang
AU - Kemp, Kyle W
AU - Hoogland, Sjoerd
AU - Jeong, Kwang S
AU - Liu, Huan
AU - Levina, Larissa
AU - Furukawa, Melissa
AU - Wang, Xihua
AU - Debnath, Ratan
AU - Cha, Dongkyu
AU - Chou, Kang Wei
AU - Fischer, Armin
AU - Amassian, Aram
AU - Asbury, John B.
AU - Sargent, Edward H
PY - 2011
DA - 2011/09/18 00:00:00
PB - Springer Nature
SP - 765-771
IS - 10
VL - 10
SN - 1476-1122
SN - 1476-4660
ER -
BibTex |
Cite this
BibTex Copy
@article{2011_Tang,
author = {Jiang Tang and Kyle W Kemp and Sjoerd Hoogland and Kwang S Jeong and Huan Liu and Larissa Levina and Melissa Furukawa and Xihua Wang and Ratan Debnath and Dongkyu Cha and Kang Wei Chou and Armin Fischer and Aram Amassian and John B. Asbury and Edward H Sargent},
title = {Colloidal-quantum-dot photovoltaics using atomic-ligand passivation.},
journal = {Nature Materials},
year = {2011},
volume = {10},
publisher = {Springer Nature},
month = {sep},
url = {https://doi.org/10.1038/nmat3118},
number = {10},
pages = {765--771},
doi = {10.1038/nmat3118}
}
MLA
Cite this
MLA Copy
Tang, Jiang, et al. “Colloidal-quantum-dot photovoltaics using atomic-ligand passivation..” Nature Materials, vol. 10, no. 10, Sep. 2011, pp. 765-771. https://doi.org/10.1038/nmat3118.
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