From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry
Publication type: Journal Article
Publication date: 2007-02-20
scimago Q1
wos Q1
SJR: 5.554
CiteScore: 22.5
Impact factor: 15.6
ISSN: 00027863, 15205126
PubMed ID:
17309253
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
We report a protocol for manipulating the surface composition of CdSe nanocrystals. By combining the successive ion layer adhesion and reaction (SILAR) method developed by Li et al. J. Am. Chem. Soc. 2003, 125, 12567 with a phosphine-free selenium precursor, the surface stoichiometry of CdSe can be tunably altered from Cd- to Se-rich. By changing the overall surface stoichiometry, we demonstrate ligand binding to specific surface sites. Tertiary phosphines produce a dramatic enhancement in photoluminescence quantum yield of CdSe particles with Se-rich surfaces but have little effect on Cd-rich surfaces. Unpassivated selenium surface sites are also shown to be a cause of the photobrightening behavior of CdSe nanocrystals.
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367
Total citations:
367
Citations from 2024:
27
(7.35%)
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Jasieniak J., Mulvaney P. From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry // Journal of the American Chemical Society. 2007. Vol. 129. No. 10. pp. 2841-2848.
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Jasieniak J., Mulvaney P. From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry // Journal of the American Chemical Society. 2007. Vol. 129. No. 10. pp. 2841-2848.
Cite this
RIS
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TY - JOUR
DO - 10.1021/ja066205a
UR - https://doi.org/10.1021/ja066205a
TI - From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry
T2 - Journal of the American Chemical Society
AU - Jasieniak, Jacek
AU - Mulvaney, Paul
PY - 2007
DA - 2007/02/20
PB - American Chemical Society (ACS)
SP - 2841-2848
IS - 10
VL - 129
PMID - 17309253
SN - 0002-7863
SN - 1520-5126
ER -
Cite this
BibTex (up to 50 authors)
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@article{2007_Jasieniak,
author = {Jacek Jasieniak and Paul Mulvaney},
title = {From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry},
journal = {Journal of the American Chemical Society},
year = {2007},
volume = {129},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/ja066205a},
number = {10},
pages = {2841--2848},
doi = {10.1021/ja066205a}
}
Cite this
MLA
Copy
Jasieniak, Jacek, and Paul Mulvaney. “From Cd-Rich to Se-Rich − the Manipulation of CdSe Nanocrystal Surface Stoichiometry.” Journal of the American Chemical Society, vol. 129, no. 10, Feb. 2007, pp. 2841-2848. https://doi.org/10.1021/ja066205a.