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

Publication typeJournal Article
Publication date2019-11-15
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN08974756, 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.
GOST all authors (up to 50) Copy
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.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acs.chemmater.9b02927
UR - https://doi.org/10.1021%2Facs.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 -
BibTex |
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BibTex Copy
@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%2Facs.chemmater.9b02927},
number = {23},
pages = {9652--9663},
doi = {10.1021/acs.chemmater.9b02927}
}
MLA
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MLA Copy
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%2Facs.chemmater.9b02927.
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