Journal of Physical Chemistry C, volume 111, issue 37, pages 13777-13785

Energetics of Photoinduced Electron-Transfer Reactions Decided by Quantum Confinement

Marcus Jones 1
Sandeep Kumar 1
1
 
Department of Chemistry, 80 Saint George Street, Institute for Optical Sciences, and Centre for Quantum Information and Quantum Control, University of Toronto, Toronto, Ontario M5S 3H6 Canada
Publication typeJournal Article
Publication date2007-08-24
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
The photophysics of linear CdSe−CdTe nanorod heterostructures are reported. Charge-transfer emission and absorption bands are identified. Analysis of these bands reveals the factors governing photoinduced electron transfer from CdTe to CdSe, and it is thereby shown how quantum confinement effects decide the thermodynamic parameters of the Marcus−Hush theory. An important finding is the very small reorganization energy associated with the nuclear degrees of freedom (∼20 meV in toluene), which seems to be a characteristic of these nanoscale donor−acceptor systems and differentiates them from most analogous molecular systems. Therefore Marcus “inverted region” behavior is found to be typical for these systems. By analyzing the mixing between the CdTe exciton and the charge-transfer states for one sample, we find the electronic coupling matrix element that promotes the charge separation to be ∼50 meV.

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Scholes G. D., Jones M., Kumar S. Energetics of Photoinduced Electron-Transfer Reactions Decided by Quantum Confinement // Journal of Physical Chemistry C. 2007. Vol. 111. No. 37. pp. 13777-13785.
GOST all authors (up to 50) Copy
Scholes G. D., Jones M., Kumar S. Energetics of Photoinduced Electron-Transfer Reactions Decided by Quantum Confinement // Journal of Physical Chemistry C. 2007. Vol. 111. No. 37. pp. 13777-13785.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/jp0754583
UR - https://doi.org/10.1021/jp0754583
TI - Energetics of Photoinduced Electron-Transfer Reactions Decided by Quantum Confinement
T2 - Journal of Physical Chemistry C
AU - Kumar, Sandeep
AU - Scholes, Gregory D.
AU - Jones, Marcus
PY - 2007
DA - 2007/08/24 00:00:00
PB - American Chemical Society (ACS)
SP - 13777-13785
IS - 37
VL - 111
SN - 1932-7447
SN - 1932-7455
ER -
BibTex |
Cite this
BibTex Copy
@article{2007_Scholes,
author = {Sandeep Kumar and Gregory D. Scholes and Marcus Jones},
title = {Energetics of Photoinduced Electron-Transfer Reactions Decided by Quantum Confinement},
journal = {Journal of Physical Chemistry C},
year = {2007},
volume = {111},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/jp0754583},
number = {37},
pages = {13777--13785},
doi = {10.1021/jp0754583}
}
MLA
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MLA Copy
Scholes, Gregory D., et al. “Energetics of Photoinduced Electron-Transfer Reactions Decided by Quantum Confinement.” Journal of Physical Chemistry C, vol. 111, no. 37, Aug. 2007, pp. 13777-13785. https://doi.org/10.1021/jp0754583.
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