Journal of Physical Chemistry C, volume 114, issue 10, pages 4418-4423

Measurement of Energy Transfer Time in Colloidal Mn-Doped Semiconductor Nanocrystals

Hsiang Yun Chen
Tai-Yen Chen
Dong Woo Son
Publication typeJournal Article
Publication date2010-03-18
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 exciton−dopant energy transfer time in colloidal Mn-doped CdS/ZnS core/shell nanocrystals was investigated via pump−probe transient absorption measurements. The energy transfer time was obtained from the comparative analysis of the dynamics of exciton relaxation in undoped and doped nanocrystal samples with well-defined doping radius and concentration. For this purpose, the transient absorption was measured in the near-IR region probing primarily intraband transition of excitons without signal saturation even at high exciton densities, which is particularly useful for studying the energy transfer in a wide range of exciton densities. With an increasing Mn doping concentration, exciton-dopant energy transfer became faster, effectively competing with both radiative and nonradiative relaxation of exciton. In the spherical Mn-doped CdS/ZnS core/shell nanocrystals studied here, the time scale of energy transfer between a single pair of exciton and Mn2+ ion was determined to be ∼60 ps.

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GOST |
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GOST Copy
Chen H. Y., Chen T., Son D. W. Measurement of Energy Transfer Time in Colloidal Mn-Doped Semiconductor Nanocrystals // Journal of Physical Chemistry C. 2010. Vol. 114. No. 10. pp. 4418-4423.
GOST all authors (up to 50) Copy
Chen H. Y., Chen T., Son D. W. Measurement of Energy Transfer Time in Colloidal Mn-Doped Semiconductor Nanocrystals // Journal of Physical Chemistry C. 2010. Vol. 114. No. 10. pp. 4418-4423.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/jp100352m
UR - https://doi.org/10.1021/jp100352m
TI - Measurement of Energy Transfer Time in Colloidal Mn-Doped Semiconductor Nanocrystals
T2 - Journal of Physical Chemistry C
AU - Chen, Hsiang Yun
AU - Chen, Tai-Yen
AU - Son, Dong Woo
PY - 2010
DA - 2010/03/18 00:00:00
PB - American Chemical Society (ACS)
SP - 4418-4423
IS - 10
VL - 114
SN - 1932-7447
SN - 1932-7455
ER -
BibTex |
Cite this
BibTex Copy
@article{2010_Chen,
author = {Hsiang Yun Chen and Tai-Yen Chen and Dong Woo Son},
title = {Measurement of Energy Transfer Time in Colloidal Mn-Doped Semiconductor Nanocrystals},
journal = {Journal of Physical Chemistry C},
year = {2010},
volume = {114},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/jp100352m},
number = {10},
pages = {4418--4423},
doi = {10.1021/jp100352m}
}
MLA
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MLA Copy
Chen, Hsiang Yun, et al. “Measurement of Energy Transfer Time in Colloidal Mn-Doped Semiconductor Nanocrystals.” Journal of Physical Chemistry C, vol. 114, no. 10, Mar. 2010, pp. 4418-4423. https://doi.org/10.1021/jp100352m.
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