Dynamics of Place-Exchange Reactions on Monolayer-Protected Gold Cluster Molecules
Publication type: Journal Article
Publication date: 1999-04-30
scimago Q1
wos Q2
SJR: 0.763
CiteScore: 6.0
Impact factor: 3.9
ISSN: 07437463, 15205827
Spectroscopy
Electrochemistry
Condensed Matter Physics
General Materials Science
Surfaces and Interfaces
Abstract
Monolayer-protected gold clusters (Au MPCs) are stable, easily synthesized, organic solvent-soluble, nanoscale materials. MPCs with protecting monolayers composed of alkanethiolate ligands (RS) can be functionalized (R‘S) by ligand place-exchange reactions, i.e., x(R‘SH) + (RS)mMPC → x(RSH) + (R‘S)m(RS)m-xMPC, where x is the number of ligands place-exchanged (1 to 108) and m is the original number (ca. 108) of alkanethiolate ligands per Au314 cluster. The dynamics and mechanism of this reaction were probed by determining its kinetic order and final equilibrium position relative to incoming (R‘S) and initial (RS) protecting thiolate ligands. The reactions were characterized by 1H NMR and IR spectroscopy, and the dispersity of place-exchange reaction products was preliminarily inspected by chromatography. The results of these experiments show that ligand exchange is an associative reaction and that the displaced thiolate becomes a thiol solution product. Disulfides and oxidized sulfur species are not involv...
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758
Total citations:
758
Citations from 2024:
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(2.9%)
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GOST
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Hostetler M. J., Templeton A. C., Murray R. W. Dynamics of Place-Exchange Reactions on Monolayer-Protected Gold Cluster Molecules // Langmuir. 1999. Vol. 15. No. 11. pp. 3782-3789.
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Hostetler M. J., Templeton A. C., Murray R. W. Dynamics of Place-Exchange Reactions on Monolayer-Protected Gold Cluster Molecules // Langmuir. 1999. Vol. 15. No. 11. pp. 3782-3789.
Cite this
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TY - JOUR
DO - 10.1021/la981598f
UR - https://doi.org/10.1021/la981598f
TI - Dynamics of Place-Exchange Reactions on Monolayer-Protected Gold Cluster Molecules
T2 - Langmuir
AU - Hostetler, Michael J.
AU - Templeton, Allen C.
AU - Murray, Royce W.
PY - 1999
DA - 1999/04/30
PB - American Chemical Society (ACS)
SP - 3782-3789
IS - 11
VL - 15
SN - 0743-7463
SN - 1520-5827
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{1999_Hostetler,
author = {Michael J. Hostetler and Allen C. Templeton and Royce W. Murray},
title = {Dynamics of Place-Exchange Reactions on Monolayer-Protected Gold Cluster Molecules},
journal = {Langmuir},
year = {1999},
volume = {15},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/la981598f},
number = {11},
pages = {3782--3789},
doi = {10.1021/la981598f}
}
Cite this
MLA
Copy
Hostetler, Michael J., et al. “Dynamics of Place-Exchange Reactions on Monolayer-Protected Gold Cluster Molecules.” Langmuir, vol. 15, no. 11, Apr. 1999, pp. 3782-3789. https://doi.org/10.1021/la981598f.