Journal of Physical Chemistry C, volume 113, issue 45, pages 19468-19474

Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots

Publication typeJournal Article
Publication date2009-10-15
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
We investigate the size-dependent optical absorption coefficients of CdSe nanocrystals at both the band-edge and high within the absorption profile. The absorption properties in both of these regions must be self-consistent to ensure accuracy of the measured coefficients. By combining transmission electron microscopy and inductively coupled plasma−optical emission spectroscopy, we map out the optical absorption properties and establish reliable size-dependent band-edge calibration curves. The measured absorption properties are compared to a simple 0D confinement model, to classical theory based on light absorption by small particles in a dielectric medium and to state-of-the-art atomistic semiempirical pseudopotential modeling. The applicability of these newly established calibration curves is demonstrated by analyzing the nucleation and growth kinetics of CdSe nanocrystals in solution.

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GOST Copy
Jasieniak J. et al. Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots // Journal of Physical Chemistry C. 2009. Vol. 113. No. 45. pp. 19468-19474.
GOST all authors (up to 50) Copy
Jasieniak J., Smith L., Van Embden J., Mulvaney P., Califano M. Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots // Journal of Physical Chemistry C. 2009. Vol. 113. No. 45. pp. 19468-19474.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/jp906827m
UR - https://doi.org/10.1021/jp906827m
TI - Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots
T2 - Journal of Physical Chemistry C
AU - Smith, Lisa
AU - Jasieniak, Jacek
AU - Van Embden, Joel
AU - Mulvaney, Paul
AU - Califano, Marco
PY - 2009
DA - 2009/10/15 00:00:00
PB - American Chemical Society (ACS)
SP - 19468-19474
IS - 45
VL - 113
SN - 1932-7447
SN - 1932-7455
ER -
BibTex |
Cite this
BibTex Copy
@article{2009_Jasieniak,
author = {Lisa Smith and Jacek Jasieniak and Joel Van Embden and Paul Mulvaney and Marco Califano},
title = {Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots},
journal = {Journal of Physical Chemistry C},
year = {2009},
volume = {113},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021/jp906827m},
number = {45},
pages = {19468--19474},
doi = {10.1021/jp906827m}
}
MLA
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MLA Copy
Jasieniak, Jacek, et al. “Re-examination of the Size-Dependent Absorption Properties of CdSe Quantum Dots.” Journal of Physical Chemistry C, vol. 113, no. 45, Oct. 2009, pp. 19468-19474. https://doi.org/10.1021/jp906827m.
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