Chemistry of Materials, volume 33, issue 6, pages 2054-2061
Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence
Yoann Prado
1
,
Junling Qu
1
,
Charlie Gréboval
1
,
Corentin Dabard
1, 2
,
Prachi Rastogi
1
,
Audrey Chu
1
,
Adrien Khalili
1
,
Xiang-Zhen Xu
2
,
Christophe Delerue
3
,
S. Ithurria
2
,
2
3
Université de Lille, CNRS, Centrale Lille, ISEN, Université de Valenciennes, UMR 8520-IEMN, Lille 59000, France
|
Publication type: Journal Article
Publication date: 2021-03-12
Journal:
Chemistry of Materials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 8.6
ISSN: 08974756, 15205002
Materials Chemistry
General Chemistry
General Chemical Engineering
Abstract
HgTe colloidal nanocrystals (NCs) have become a promising building block for infrared optoelectronics. Despite their cubic zinc blende lattice, HgTe NCs tend to grow in a multipodic fashion, leading to poor shape and size control. Strategies to obtain HgTe NCs with well-controlled sizes and shapes remain limited and sometimes challenging to handle, increasing the need for a new growth process. Here, we explore a synthetic route via seeded growth. In this approach, the small HgTe seeds are nucleated in the first step, and they show narrow and bright photoluminescence with 75% quantum yield in the near infrared region. Once integrated into Light emitting diodes (LEDs), these seeds lead to devices with high radiance up to 20 WSr-1 m-2 and a long lifetime. Heating HgTe seeds formed at the early stage leads to the formation of sphere-shaped HgTe with tunable band edges from 2 to 4 µm. Last, the electronic transport tests conducted on sphere-shaped HgTe NC arrays reveals enhanced mobility and stronger temperature dependence than the multipodic shaped particles.
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1 publication, 3.85%
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2
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12
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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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Prado Y. et al. Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence // Chemistry of Materials. 2021. Vol. 33. No. 6. pp. 2054-2061.
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Prado Y., Qu J., Gréboval C., Dabard C., Rastogi P., Chu A., Khalili A., Xu X., Delerue C., Ithurria S., Lhuillier E. Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence // Chemistry of Materials. 2021. Vol. 33. No. 6. pp. 2054-2061.
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TY - JOUR
DO - 10.1021/acs.chemmater.0c04526
UR - https://doi.org/10.1021/acs.chemmater.0c04526
TI - Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence
T2 - Chemistry of Materials
AU - Xu, Xiang-Zhen
AU - Prado, Yoann
AU - Qu, Junling
AU - Gréboval, Charlie
AU - Dabard, Corentin
AU - Rastogi, Prachi
AU - Chu, Audrey
AU - Khalili, Adrien
AU - Delerue, Christophe
AU - Ithurria, S.
AU - Lhuillier, Emmanuel
PY - 2021
DA - 2021/03/12 00:00:00
PB - American Chemical Society (ACS)
SP - 2054-2061
IS - 6
VL - 33
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2021_Prado,
author = {Xiang-Zhen Xu and Yoann Prado and Junling Qu and Charlie Gréboval and Corentin Dabard and Prachi Rastogi and Audrey Chu and Adrien Khalili and Christophe Delerue and S. Ithurria and Emmanuel Lhuillier},
title = {Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence},
journal = {Chemistry of Materials},
year = {2021},
volume = {33},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/acs.chemmater.0c04526},
number = {6},
pages = {2054--2061},
doi = {10.1021/acs.chemmater.0c04526}
}
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MLA
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Prado, Yoann, et al. “Seeded Growth of HgTe Nanocrystals for Shape Control and Their Use in Narrow Infrared Electroluminescence.” Chemistry of Materials, vol. 33, no. 6, Mar. 2021, pp. 2054-2061. https://doi.org/10.1021/acs.chemmater.0c04526.