Journal of the American Chemical Society, volume 144, issue 14, pages 6251-6260
Synthetic Mechanisms in the Formation of SnTe Nanocrystals
1
Materials Science Program, University of Rochester, 4011 Wegmans Hall, Rochester, New York 14627, United States
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2
Department of Chemistry, University of Rochester, 404 Hutchison Hall, Rochester, New York 14627, United States
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3
Institute of Optics, University of Rochester, 480 Intercampus Drive, Rochester, New York 14627, United States
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Publication type: Journal Article
Publication date: 2022-03-29
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 15
ISSN: 00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
Infrared active colloidal semiconducting nanocrystals (NCs) are important for applications including photodetectors and photovoltaics. While much research has been conducted on nanocrystalline materials such as the Pb and Hg chalcogenides, less toxic alternatives such as SnTe have been far less explored. Previous synthetic work on SnTe NCs have characterized photophysical properties of the nanoparticles. This study focuses on understanding the fundamental chemical mechanisms involved in SnTe NC formation, with the aim to improve synthetic outcomes. The solvent oleylamine, common to all SnTe syntheses, is found to form a highly reactive, heteroleptic Sn-oleylamine precursor that is the primary molecular Sn species initiating NC formation and growth. Further, the capping ligand oleic acid (OA) reacts with this amine to produce tin oxide (SnOx), facilitating the formation of an NC SnOx shell. Therefore, the use of OA during synthesis is counterproductive to the formation of stoichiometric SnTe nanoparticles. The knowledge of chemical reaction mechanisms creates a foundation for the production of high-quality, unoxidized, and stoichiometric SnTe NCs.
Top-30
Citations by journals
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ACS applied materials & interfaces
1 publication, 20%
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Nano-Structures and Nano-Objects
1 publication, 20%
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Advanced Powder Technology
1 publication, 20%
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Russian Chemical Reviews
1 publication, 20%
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Journal of Applied Physics
1 publication, 20%
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1
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Citations by publishers
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2
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Elsevier
2 publications, 40%
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American Chemical Society (ACS)
1 publication, 20%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 20%
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American Institute of Physics (AIP)
1 publication, 20%
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- We do not take into account publications without a DOI.
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Oneill S. W. et al. Synthetic Mechanisms in the Formation of SnTe Nanocrystals // Journal of the American Chemical Society. 2022. Vol. 144. No. 14. pp. 6251-6260.
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Oneill S. W., Krauss T. Synthetic Mechanisms in the Formation of SnTe Nanocrystals // Journal of the American Chemical Society. 2022. Vol. 144. No. 14. pp. 6251-6260.
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TY - JOUR
DO - 10.1021/jacs.1c11697
UR - https://doi.org/10.1021/jacs.1c11697
TI - Synthetic Mechanisms in the Formation of SnTe Nanocrystals
T2 - Journal of the American Chemical Society
AU - Oneill, Sean W
AU - Krauss, Todd
PY - 2022
DA - 2022/03/29 00:00:00
PB - American Chemical Society (ACS)
SP - 6251-6260
IS - 14
VL - 144
SN - 0002-7863
SN - 1520-5126
ER -
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@article{2022_Oneill,
author = {Sean W Oneill and Todd Krauss},
title = {Synthetic Mechanisms in the Formation of SnTe Nanocrystals},
journal = {Journal of the American Chemical Society},
year = {2022},
volume = {144},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/jacs.1c11697},
number = {14},
pages = {6251--6260},
doi = {10.1021/jacs.1c11697}
}
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Oneill, Sean W., et al. “Synthetic Mechanisms in the Formation of SnTe Nanocrystals.” Journal of the American Chemical Society, vol. 144, no. 14, Mar. 2022, pp. 6251-6260. https://doi.org/10.1021/jacs.1c11697.