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Nature Communications, volume 4, issue 1, publication number 2981

Heterovalent cation substitutional doping for quantum dot homojunction solar cells

Alexandros Stavrinadis 1
Arup K. Rath 1
F Pelayo García De Arquer 1
Silke L Diedenhofen 1
Cesar Magen 2
LUIS MARTÍNEZ 1
David So 1
Gerasimos Konstantatos 1
Publication typeJournal Article
Publication date2013-12-18
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
Colloidal quantum dots have emerged as a material platform for low-cost high-performance optoelectronics. At the heart of optoelectronic devices lies the formation of a junction, which requires the intimate contact of n-type and p-type semiconductors. Doping in bulk semiconductors has been largely deployed for many decades, yet electronically active doping in quantum dots has remained a challenge and the demonstration of robust functional optoelectronic devices had thus far been elusive. Here we report an optoelectronic device, a quantum dot homojunction solar cell, based on heterovalent cation substitution. We used PbS quantum dots as a reference material, which is a p-type semiconductor, and we employed Bi-doping to transform it into an n-type semiconductor. We then combined the two layers into a homojunction device operating as a solar cell robustly under ambient air conditions with power conversion efficiency of 2.7%. To use colloidal quantum dots in applications such as p-n junction solar cells, doping of the quantum dots is needed. Here, Stavrinadis et al. achieve lead sulphide quantum dot p-n homojunctions by heterovalent cation substitution of lead using bismuth.

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GOST Copy
Stavrinadis A. et al. Heterovalent cation substitutional doping for quantum dot homojunction solar cells // Nature Communications. 2013. Vol. 4. No. 1. 2981
GOST all authors (up to 50) Copy
Stavrinadis A., Rath A. K., De Arquer F. P. G., Diedenhofen S. L., Magen C., MARTÍNEZ L., So D., Konstantatos G. Heterovalent cation substitutional doping for quantum dot homojunction solar cells // Nature Communications. 2013. Vol. 4. No. 1. 2981
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/ncomms3981
UR - https://doi.org/10.1038/ncomms3981
TI - Heterovalent cation substitutional doping for quantum dot homojunction solar cells
T2 - Nature Communications
AU - Stavrinadis, Alexandros
AU - Rath, Arup K.
AU - De Arquer, F Pelayo García
AU - Diedenhofen, Silke L
AU - Magen, Cesar
AU - MARTÍNEZ, LUIS
AU - So, David
AU - Konstantatos, Gerasimos
PY - 2013
DA - 2013/12/18 00:00:00
PB - Springer Nature
IS - 1
VL - 4
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2013_Stavrinadis,
author = {Alexandros Stavrinadis and Arup K. Rath and F Pelayo García De Arquer and Silke L Diedenhofen and Cesar Magen and LUIS MARTÍNEZ and David So and Gerasimos Konstantatos},
title = {Heterovalent cation substitutional doping for quantum dot homojunction solar cells},
journal = {Nature Communications},
year = {2013},
volume = {4},
publisher = {Springer Nature},
month = {dec},
url = {https://doi.org/10.1038/ncomms3981},
number = {1},
doi = {10.1038/ncomms3981}
}
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