Journal of Applied Physics

, volume 113 , issue 18 , pages 184306

Surface states effect on photoluminescence of CdS colloidal nanocrystals

A V Katsaba ¹

S A Ambrozevich ¹

A. G. VITUKHNOVSKY ¹

V. V. Fedyanin ¹

A. N. LOBANOV ¹

V S Krivobok ¹

R B Vasiliev ²

I G Samatov ²

Hide authors affiliations Show authors affiliations: 2 affiliations

P. N. Lebedev Physics Institute, Russian Academy of Sciences 1 , Leninskii prosp. 53, Moscow 119991, Russian Federation |

Faculty of Material Science, M.V. Lomonosov Moscow State University, Vorob'evy Gory, 1, Moscow, 119991, Russian Federation 2 |

Publication type: Journal Article

Publication date: 2013-05-10

AIP Publishing

Journal of Applied Physics

scimago Q2

wos Q3

SJR: 0.580

CiteScore: 5.1

Impact factor: 2.5

ISSN: 00218979, 10897550

DOI: 10.1063/1.4804255

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General Physics and Astronomy

Abstract

CdS colloidal nanocrystals with an average size of 4.5 nm and oleic acid as surfactant were studied using photoluminescence spectroscopy and time-correlated single photon counting technique at different temperatures. Observed spectra revealed three thermally activated luminescence bands at 2.15, 1.76, and 1.37 eV in addition to conventional band edge recombination of the nanocrystals. We present a kinetic model based on concept of single emitters which quantitatively describes the luminescence of the ensemble of the nanocrystals in the temperature range 10–300 K. We determined activation energies (18.2 and 8.6 meV) for transitions responsible for the luminescence. The 1.76 eV band most probably emerges from the intrinsic defects on the surface of CdS, whereas bands at 2.15 and 1.37 eV result from the influence of oleic acid bonded to the surface of the nanocrystals.

Found

6 citations

Vitukhnovsky Alexei

DSc in Physics and Mathematics, professor

184 publications, 2 733 citations

h-index: 29

Moscow Institute of Physics and Technology

P.N. Lebedev Physical Institute of the Russian Academy of Sciences

4 citations

Vasiliev Roman

PhD in Chemistry, associate professor

134 publications, 1 995 citations, 9 reviews

h-index: 25

Lomonosov Moscow State University

2 citations

Naumov Andrei

🥼

DSc in Physics and Mathematics, associate professor, associate member of the Russian Academy of Sciences

136 publications, 1 732 citations, 6 reviews

h-index: 24

P.N. Lebedev Physical Institute of the Russian Academy of Sciences

Institute of Spectroscopy of the Russian Academy of Sciences

Moscow Pedagogical State University

Research interests

Atomic force microscopy

Fluorescence nanoscopy

Single-molecule spectroscopy

Spectroscopy

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Katsaba A. V. et al. Surface states effect on photoluminescence of CdS colloidal nanocrystals // Journal of Applied Physics. 2013. Vol. 113. No. 18. p. 184306.

GOST all authors (up to 50) Copy

Katsaba A. V., Ambrozevich S. A., VITUKHNOVSKY A. G., Fedyanin V. V., LOBANOV A. N., Krivobok V. S., Vasiliev R. B., Samatov I. G. Surface states effect on photoluminescence of CdS colloidal nanocrystals // Journal of Applied Physics. 2013. Vol. 113. No. 18. p. 184306.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1063/1.4804255

UR - https://doi.org/10.1063/1.4804255

TI - Surface states effect on photoluminescence of CdS colloidal nanocrystals

T2 - Journal of Applied Physics

AU - Katsaba, A V

AU - Ambrozevich, S A

AU - VITUKHNOVSKY, A. G.

AU - Fedyanin, V. V.

AU - LOBANOV, A. N.

AU - Krivobok, V S

AU - Vasiliev, R B

AU - Samatov, I G

PY - 2013

DA - 2013/05/10

PB - AIP Publishing

SP - 184306

IS - 18

VL - 113

SN - 0021-8979

SN - 1089-7550

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2013_Katsaba,

author = {A V Katsaba and S A Ambrozevich and A. G. VITUKHNOVSKY and V. V. Fedyanin and A. N. LOBANOV and V S Krivobok and R B Vasiliev and I G Samatov},

title = {Surface states effect on photoluminescence of CdS colloidal nanocrystals},

journal = {Journal of Applied Physics},

year = {2013},

volume = {113},

publisher = {AIP Publishing},

month = {may},

url = {https://doi.org/10.1063/1.4804255},

number = {18},

pages = {184306},

doi = {10.1063/1.4804255}

}

MLA

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MLA Copy

Katsaba, A. V., et al. “Surface states effect on photoluminescence of CdS colloidal nanocrystals.” Journal of Applied Physics, vol. 113, no. 18, May. 2013, p. 184306. https://doi.org/10.1063/1.4804255.

Publisher

AIP Publishing

Journal

Journal of Applied Physics

scimago Q2

wos Q3

SJR

0.580

CiteScore

5.1

Impact factor

2.5

ISSN

00218979 (Print)

10897550 (Electronic)

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