ACS Nano, volume 5, issue 1, pages 183-190
Tuning the Synthesis of Ternary Lead Chalcogenide Quantum Dots by Balancing Precursor Reactivity
2
Department of Physics
3
Department of Chemistry and Biochemistry
Publication type: Journal Article
Publication date: 2010-12-08
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
We report the synthesis and characterization of composition-tunable ternary lead chalcogenide alloys PbSe(x)Te(1-x), PbS(x)Te(1-x), and PbS(x)Se(1-x). This work explores the relative reaction rates of chalcogenide precursors to produce alloyed quantum dots (QDs), and we find the highly reactive bis(trimethylsilyl) (TMS(2))-based precursors allow for the homogeneous incorporation of anions. By varying the Pb to oleic acid ratio, we demonstrate size control of similar composition alloys. We find the resulting QDs are Pb-rich but the Pb/anion ratio is size- and composition-dependent in all alloyed QD as well as in PbSe, PbTe, and PbS QDs and is consistent with the reaction rates of the anion precursors. A more reactive anion precursor results in a lower Pb/anion ratio.
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Smith D. K. et al. Tuning the Synthesis of Ternary Lead Chalcogenide Quantum Dots by Balancing Precursor Reactivity // ACS Nano. 2010. Vol. 5. No. 1. pp. 183-190.
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Smith D. K., Luther J. M., Semonin O. E., Nozik A. J., Beard M. C. Tuning the Synthesis of Ternary Lead Chalcogenide Quantum Dots by Balancing Precursor Reactivity // ACS Nano. 2010. Vol. 5. No. 1. pp. 183-190.
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TY - JOUR
DO - 10.1021/nn102878u
UR - https://doi.org/10.1021/nn102878u
TI - Tuning the Synthesis of Ternary Lead Chalcogenide Quantum Dots by Balancing Precursor Reactivity
T2 - ACS Nano
AU - Smith, Danielle K.
AU - Luther, Joseph M.
AU - Semonin, Octavi E
AU - Nozik, Arthur J.
AU - Beard, Matthew C
PY - 2010
DA - 2010/12/08
PB - American Chemical Society (ACS)
SP - 183-190
IS - 1
VL - 5
SN - 1936-0851
SN - 1936-086X
ER -
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BibTex (up to 50 authors)
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@article{2010_Smith,
author = {Danielle K. Smith and Joseph M. Luther and Octavi E Semonin and Arthur J. Nozik and Matthew C Beard},
title = {Tuning the Synthesis of Ternary Lead Chalcogenide Quantum Dots by Balancing Precursor Reactivity},
journal = {ACS Nano},
year = {2010},
volume = {5},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/nn102878u},
number = {1},
pages = {183--190},
doi = {10.1021/nn102878u}
}
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MLA
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Smith, Danielle K., et al. “Tuning the Synthesis of Ternary Lead Chalcogenide Quantum Dots by Balancing Precursor Reactivity.” ACS Nano, vol. 5, no. 1, Dec. 2010, pp. 183-190. https://doi.org/10.1021/nn102878u.