Physical Review B, volume 73, issue 15, publication number 155326

Optical transitions and nature of Stokes shift in spherical CdS quantum dots

D. O. Demchenko ¹

Lin-Wang Wang ¹

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Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA |

Publication type: Journal Article

Publication date: 2006-04-24

American Physical Society (APS)

Journal: Physical Review B

Quartile SCImago

Quartile WOS

Impact factor: 3.7

ISSN: 24699950, 24699969, 10980121, 1550235X

DOI: 10.1103/physrevb.73.155326

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Electronic, Optical and Magnetic Materials

Condensed Matter Physics

Abstract

We study the structure of the energy spectra along with the character of the states participating in optical transitions in colloidal CdS quantum dots (QDs) using the {\sl ab initio} accuracy charge patching method combined with the %pseudopotential based folded spectrum calculations of electronic structure of thousand-atom nanostructures. In particular, attention is paid to the nature of the large resonant Stokes shift observed in CdS quantum dots. We find that the top of the valence band state is bright, in contrast with the results of numerous {\bf k$\cdot$p} calculations, and determine the limits of applicability of the {\bf k$\cdot$p} approach. The calculated electron-hole exchange splitting suggests the spin-forbidden valence state may explain the nature of the ``dark exciton'' in CdS quantum dots.

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Journal of Physical Chemistry C	Journal of Physical Chemistry C, 8, 20.51% Journal of Physical Chemistry C 8 publications, 20.51%
Physical Review B	Physical Review B, 5, 12.82% Physical Review B 5 publications, 12.82%
Physical Chemistry Chemical Physics	Physical Chemistry Chemical Physics, 3, 7.69% Physical Chemistry Chemical Physics 3 publications, 7.69%
Solid State Communications	Solid State Communications, 2, 5.13% Solid State Communications 2 publications, 5.13%
Journal of Applied Physics	Journal of Applied Physics, 1, 2.56% Journal of Applied Physics 1 publication, 2.56%
Optical and Quantum Electronics	Optical and Quantum Electronics, 1, 2.56% Optical and Quantum Electronics 1 publication, 2.56%
Theoretical and Experimental Chemistry	Theoretical and Experimental Chemistry, 1, 2.56% Theoretical and Experimental Chemistry 1 publication, 2.56%
Communications Chemistry	Communications Chemistry, 1, 2.56% Communications Chemistry 1 publication, 2.56%
Materials Research Express	Materials Research Express, 1, 2.56% Materials Research Express 1 publication, 2.56%
Physica E: Low-Dimensional Systems and Nanostructures	Physica E: Low-Dimensional Systems and Nanostructures, 1, 2.56% Physica E: Low-Dimensional Systems and Nanostructures 1 publication, 2.56%
Solar Energy Materials and Solar Cells	Solar Energy Materials and Solar Cells, 1, 2.56% Solar Energy Materials and Solar Cells 1 publication, 2.56%
Journal of Alloys and Compounds	Journal of Alloys and Compounds, 1, 2.56% Journal of Alloys and Compounds 1 publication, 2.56%
Angewandte Chemie	Angewandte Chemie, 1, 2.56% Angewandte Chemie 1 publication, 2.56%
Angewandte Chemie - International Edition	Angewandte Chemie - International Edition, 1, 2.56% Angewandte Chemie - International Edition 1 publication, 2.56%
Journal of Physical Chemistry B	Journal of Physical Chemistry B, 1, 2.56% Journal of Physical Chemistry B 1 publication, 2.56%
ACS Applied Nano Materials	ACS Applied Nano Materials, 1, 2.56% ACS Applied Nano Materials 1 publication, 2.56%
Nanoscale	Nanoscale, 1, 2.56% Nanoscale 1 publication, 2.56%
Chemical Communications	Chemical Communications, 1, 2.56% Chemical Communications 1 publication, 2.56%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 1, 2.56% Journal of Materials Chemistry C 1 publication, 2.56%
Faraday Discussions	Faraday Discussions, 1, 2.56% Faraday Discussions 1 publication, 2.56%
Journal of Experimental and Theoretical Physics	Journal of Experimental and Theoretical Physics, 1, 2.56% Journal of Experimental and Theoretical Physics 1 publication, 2.56%
Proceedings of SPIE - The International Society for Optical Engineering	Proceedings of SPIE - The International Society for Optical Engineering, 1, 2.56% Proceedings of SPIE - The International Society for Optical Engineering 1 publication, 2.56%
Journal of Physical Chemistry Letters	Journal of Physical Chemistry Letters, 1, 2.56% Journal of Physical Chemistry Letters 1 publication, 2.56%
Russian Chemical Reviews	Russian Chemical Reviews, 1, 2.56% Russian Chemical Reviews 1 publication, 2.56%
	1 2 3 4 5 6 7 8

Citations by publishers

	2 4 6 8 10 12
American Chemical Society (ACS)	American Chemical Society (ACS), 11, 28.21% American Chemical Society (ACS) 11 publications, 28.21%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 7, 17.95% Royal Society of Chemistry (RSC) 7 publications, 17.95%
American Physical Society (APS)	American Physical Society (APS), 5, 12.82% American Physical Society (APS) 5 publications, 12.82%
Elsevier	Elsevier, 5, 12.82% Elsevier 5 publications, 12.82%
Springer Nature	Springer Nature, 3, 7.69% Springer Nature 3 publications, 7.69%
Wiley	Wiley, 2, 5.13% Wiley 2 publications, 5.13%
American Institute of Physics (AIP)	American Institute of Physics (AIP), 1, 2.56% American Institute of Physics (AIP) 1 publication, 2.56%
IOP Publishing	IOP Publishing, 1, 2.56% IOP Publishing 1 publication, 2.56%
Pleiades Publishing	Pleiades Publishing, 1, 2.56% Pleiades Publishing 1 publication, 2.56%
SPIE	SPIE, 1, 2.56% SPIE 1 publication, 2.56%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii	Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii, 1, 2.56% Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii 1 publication, 2.56%
	2 4 6 8 10 12

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Demchenko D. O., Wang L. Optical transitions and nature of Stokes shift in spherical CdS quantum dots // Physical Review B. 2006. Vol. 73. No. 15. 155326

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Demchenko D. O., Wang L. Optical transitions and nature of Stokes shift in spherical CdS quantum dots // Physical Review B. 2006. Vol. 73. No. 15. 155326

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RIS Copy

TY - JOUR

DO - 10.1103/physrevb.73.155326

UR - https://doi.org/10.1103/physrevb.73.155326

TI - Optical transitions and nature of Stokes shift in spherical CdS quantum dots

T2 - Physical Review B

AU - Demchenko, D. O.

AU - Wang, Lin-Wang

PY - 2006

DA - 2006/04/24 00:00:00

PB - American Physical Society (APS)

IS - 15

VL - 73

SN - 2469-9950

SN - 2469-9969

SN - 1098-0121

SN - 1550-235X

ER -

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@article{2006_Demchenko,

author = {D. O. Demchenko and Lin-Wang Wang},

title = {Optical transitions and nature of Stokes shift in spherical CdS quantum dots},

journal = {Physical Review B},

year = {2006},

volume = {73},

publisher = {American Physical Society (APS)},

month = {apr},

url = {https://doi.org/10.1103/physrevb.73.155326},

number = {15},

doi = {10.1103/physrevb.73.155326}

}

Found error?

Publisher

American Physical Society (APS)

Journal

Physical Review B

Quartile SCImago

Quartile WOS

Impact factor

3.7

ISSN

24699950 (Print)
24699969 (Electronic)
10980121 (Print)
1550235X (Electronic)

Profiles

Wang, Lin-Wang W