Journal of Applied Physics, volume 91, issue 3, pages 1509-1514

Optical absorption and photoluminescence studies on CdS quantum dots in Nafion

P. NANDAKUMAR ¹

C. Vijayan ¹

Y.V.G.S Murti ²

Show full list: 3 authors

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Department of Physics, Indian Institute of Technology, Madras-600036, India |

Department of Physics, Indian Institute of Technology, Guwahati-781001, India |

Publication type: Journal Article

Publication date: 2002-02-01

AIP Publishing

Journal: Journal of Applied Physics

scimago Q2

SJR: 0.649

CiteScore: 5.4

Impact factor: 2.7

ISSN: 00218979, 10897550

DOI: 10.1063/1.1425077

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General Physics and Astronomy

Abstract

Excitonic effects are observed in the optical absorption and photoluminescence of strongly confined CdS quantum dots embedded in the polymer Nafion. The three bands identified in the optical absorption spectra could be attributed to 1se-1sh, 1pe-1ph, and 2se-2sh transitions of the noninteracting particle model. Photoluminescence spectra show a strong emission band corresponding to electron–hole recombination and a weak band due to emission from defect states. The strength of electron–phonon coupling is small in the regime of strong confinement and decreases with decreasing particle size.

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NANDAKUMAR P., Vijayan C., Murti Y. Optical absorption and photoluminescence studies on CdS quantum dots in Nafion // Journal of Applied Physics. 2002. Vol. 91. No. 3. pp. 1509-1514.

GOST all authors (up to 50) Copy

NANDAKUMAR P., Vijayan C., Murti Y. Optical absorption and photoluminescence studies on CdS quantum dots in Nafion // Journal of Applied Physics. 2002. Vol. 91. No. 3. pp. 1509-1514.

RIS |

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RIS Copy

TY - JOUR

DO - 10.1063/1.1425077

UR - https://doi.org/10.1063/1.1425077

TI - Optical absorption and photoluminescence studies on CdS quantum dots in Nafion

T2 - Journal of Applied Physics

AU - NANDAKUMAR, P.

AU - Vijayan, C.

AU - Murti, Y.V.G.S

PY - 2002

DA - 2002/02/01

PB - AIP Publishing

SP - 1509-1514

IS - 3

VL - 91

SN - 0021-8979

SN - 1089-7550

ER -

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@article{2002_NANDAKUMAR,

author = {P. NANDAKUMAR and C. Vijayan and Y.V.G.S Murti},

title = {Optical absorption and photoluminescence studies on CdS quantum dots in Nafion},

journal = {Journal of Applied Physics},

year = {2002},

volume = {91},

publisher = {AIP Publishing},

month = {feb},

url = {https://doi.org/10.1063/1.1425077},

number = {3},

pages = {1509--1514},

doi = {10.1063/1.1425077}

}

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MLA Copy

NANDAKUMAR, P., et al. “Optical absorption and photoluminescence studies on CdS quantum dots in Nafion.” Journal of Applied Physics, vol. 91, no. 3, Feb. 2002, pp. 1509-1514. https://doi.org/10.1063/1.1425077.

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Publisher

AIP Publishing

Journal

Journal of Applied Physics

scimago Q2

SJR

0.649

CiteScore

5.4

Impact factor

2.7

ISSN

00218979 (Print)

10897550 (Electronic)