Chemistry of Materials, volume 31, issue 23, pages 9652-9663
Atomically Thin Population of Colloidal CdSe Nanoplatelets: Growth of Rolled-up Nanosheets and Strong Circular Dichroism Induced by Ligand Exchange
Daria A Kurtina
1
,
Alexey V. Garshev
1, 2
,
I. A. Vasil’eva
3
,
Vladimir V Shubin
3
,
Alexander M. Gaskov
1
,
Roman B. Vasiliev
1, 2
Publication type: Journal Article
Publication date: 2019-11-15
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
Colloidal two-dimensional cadmium chalcogenides nanoplatelets have recently emerged as a class of semiconductor nanoparticles with the narrowest emission and absorption excitonic bands that are of interest for optical applications. Here, we have developed a synthesis protocol for 2.5-monolayer-(ML) thick CdSe nanosheets as a single population. We found that a two-step synthesis in the presence of water promoted the growth of atomically thin nanosheets with high structural and morphological perfection. Using a seeded-growth technique, we extended the lateral size of nanosheets up to 400 nm, which led to the formation of multiwall rolled-up nanostructures. Ligand exchange of native oleic acid, attached to Cd-rich (001) planes, with achiral thioglycolic acid and chiral N-acetylcysteine retains a scroll-like morphology of nanosheets, in contrast to a thicker 3.5 ML population. A reorientation from the [110] to [100] folding direction was found during the change from an achiral to a chiral ligand. In the case ...
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Kurtina D. A. et al. Atomically Thin Population of Colloidal CdSe Nanoplatelets: Growth of Rolled-up Nanosheets and Strong Circular Dichroism Induced by Ligand Exchange // Chemistry of Materials. 2019. Vol. 31. No. 23. pp. 9652-9663.
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Kurtina D. A., Garshev A. V., Vasil’eva I. A., Shubin V. V., Gaskov A. M., Vasiliev R. B. Atomically Thin Population of Colloidal CdSe Nanoplatelets: Growth of Rolled-up Nanosheets and Strong Circular Dichroism Induced by Ligand Exchange // Chemistry of Materials. 2019. Vol. 31. No. 23. pp. 9652-9663.
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TY - JOUR
DO - 10.1021/acs.chemmater.9b02927
UR - https://doi.org/10.1021/acs.chemmater.9b02927
TI - Atomically Thin Population of Colloidal CdSe Nanoplatelets: Growth of Rolled-up Nanosheets and Strong Circular Dichroism Induced by Ligand Exchange
T2 - Chemistry of Materials
AU - Kurtina, Daria A
AU - Garshev, Alexey V.
AU - Shubin, Vladimir V
AU - Gaskov, Alexander M.
AU - Vasiliev, Roman B.
AU - Vasil’eva, I. A.
PY - 2019
DA - 2019/11/15 00:00:00
PB - American Chemical Society (ACS)
SP - 9652-9663
IS - 23
VL - 31
SN - 0897-4756
SN - 1520-5002
ER -
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@article{2019_Kurtina,
author = {Daria A Kurtina and Alexey V. Garshev and Vladimir V Shubin and Alexander M. Gaskov and Roman B. Vasiliev and I. A. Vasil’eva},
title = {Atomically Thin Population of Colloidal CdSe Nanoplatelets: Growth of Rolled-up Nanosheets and Strong Circular Dichroism Induced by Ligand Exchange},
journal = {Chemistry of Materials},
year = {2019},
volume = {31},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acs.chemmater.9b02927},
number = {23},
pages = {9652--9663},
doi = {10.1021/acs.chemmater.9b02927}
}
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Kurtina, Daria A., et al. “Atomically Thin Population of Colloidal CdSe Nanoplatelets: Growth of Rolled-up Nanosheets and Strong Circular Dichroism Induced by Ligand Exchange.” Chemistry of Materials, vol. 31, no. 23, Nov. 2019, pp. 9652-9663. https://doi.org/10.1021/acs.chemmater.9b02927.
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