Journal of Chemical Physics, volume 85, issue 4, pages 2237-2242

Higher excited electronic states in clusters of ZnSe, CdSe, and ZnS: Spin‐orbit, vibronic, and relaxation phenomena

N Chestnoy 1
R. Hull 1
L E Brus 1
1
 
AT&T Bell Laboratories, Murray HIll, New Jersey 07974
Publication typeJournal Article
Publication date1986-08-15
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.4
ISSN00219606, 10897690
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract

Metal selenide clusters have been made and characterized, using the arrested precipitation colloidal technique. A comparison of sulfide and selenide spectra enables observation of the effect of changes in the highest occupied molecular orbitals upon cluster electronic properties. The first and second excited electronic states are both observed as a function of size in ZnSe clusters. The systematic dependence of the spectra lead to assignment of the higher state to a 1S-type hole based upon the split-off valence band. It is shown that the energy spectrum of discrete hole states is controlled by the spin-orbit energy and the isotropic hole mass in small, highly symmetrical clusters. This result contrasts with the heavy hole and light hole states observed for planar confinement. In ≂ 20 Å diameter ZnS clusters, there is a strong vibronic temperature dependence in the excited state spectra, while in clusters of smaller gap materials such vibronic effects are very minor. We conjecture that lifetime broadening is severe in clusters of small gap materials.

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Chestnoy N., Hull R., Brus L. E. Higher excited electronic states in clusters of ZnSe, CdSe, and ZnS: Spin‐orbit, vibronic, and relaxation phenomena // Journal of Chemical Physics. 1986. Vol. 85. No. 4. pp. 2237-2242.
GOST all authors (up to 50) Copy
Chestnoy N., Hull R., Brus L. E. Higher excited electronic states in clusters of ZnSe, CdSe, and ZnS: Spin‐orbit, vibronic, and relaxation phenomena // Journal of Chemical Physics. 1986. Vol. 85. No. 4. pp. 2237-2242.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1063/1.451119
UR - https://doi.org/10.1063/1.451119
TI - Higher excited electronic states in clusters of ZnSe, CdSe, and ZnS: Spin‐orbit, vibronic, and relaxation phenomena
T2 - Journal of Chemical Physics
AU - Chestnoy, N
AU - Hull, R.
AU - Brus, L E
PY - 1986
DA - 1986/08/15 00:00:00
PB - American Institute of Physics (AIP)
SP - 2237-2242
IS - 4
VL - 85
SN - 0021-9606
SN - 1089-7690
ER -
BibTex |
Cite this
BibTex Copy
@article{1986_Chestnoy,
author = {N Chestnoy and R. Hull and L E Brus},
title = {Higher excited electronic states in clusters of ZnSe, CdSe, and ZnS: Spin‐orbit, vibronic, and relaxation phenomena},
journal = {Journal of Chemical Physics},
year = {1986},
volume = {85},
publisher = {American Institute of Physics (AIP)},
month = {aug},
url = {https://doi.org/10.1063/1.451119},
number = {4},
pages = {2237--2242},
doi = {10.1063/1.451119}
}
MLA
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MLA Copy
Chestnoy, N., et al. “Higher excited electronic states in clusters of ZnSe, CdSe, and ZnS: Spin‐orbit, vibronic, and relaxation phenomena.” Journal of Chemical Physics, vol. 85, no. 4, Aug. 1986, pp. 2237-2242. https://doi.org/10.1063/1.451119.
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