Applied Physics Letters, volume 89, issue 11, pages 111907
Optical properties of colloidal InGaP∕ZnS core/shell nanocrystals
1
University of Arkansas Department of Electrical Engineering, , 3217 Bell Engineering Center, Fayetteville, Arkansas 72701
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2
Norfolk State University Department of Optical Engineering, , 700 Park Ave., Norfolk, Virginia 23504
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Publication type: Journal Article
Publication date: 2006-09-11
Journal:
Applied Physics Letters
Q1
Q2
SJR: 0.976
CiteScore: 6.4
Impact factor: 3.5
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
The energy band gap (Eg) of colloidal InGaP∕ZnS core/shell nanocrystals is investigated by using the optical absorption and the photoluminescence techniques. While the photoluminescence spectra exhibit a strong emission, the optical absorption spectra show a very weak excitonic absorption. From Eg values estimated from the optical absorption spectra, the In composition is calculated to be on the order of 45%–48%. The estimated In mole fraction suggests that InGaP is still a direct band gap semiconductor. The energy band gap is recorded as a function of temperature from which the Debye temperature and the average phonon energy were extracted.
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Joshi A. et al. Optical properties of colloidal InGaP∕ZnS core/shell nanocrystals // Applied Physics Letters. 2006. Vol. 89. No. 11. p. 111907.
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Joshi A., Manasreh M. O., Davis E. A., Weaver B. D. Optical properties of colloidal InGaP∕ZnS core/shell nanocrystals // Applied Physics Letters. 2006. Vol. 89. No. 11. p. 111907.
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TY - JOUR
DO - 10.1063/1.2354031
UR - https://doi.org/10.1063/1.2354031
TI - Optical properties of colloidal InGaP∕ZnS core/shell nanocrystals
T2 - Applied Physics Letters
AU - Joshi, Abhishek
AU - Manasreh, M O
AU - Davis, E A
AU - Weaver, B. D.
PY - 2006
DA - 2006/09/11
PB - AIP Publishing
SP - 111907
IS - 11
VL - 89
SN - 0003-6951
SN - 1077-3118
ER -
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BibTex (up to 50 authors)
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@article{2006_Joshi,
author = {Abhishek Joshi and M O Manasreh and E A Davis and B. D. Weaver},
title = {Optical properties of colloidal InGaP∕ZnS core/shell nanocrystals},
journal = {Applied Physics Letters},
year = {2006},
volume = {89},
publisher = {AIP Publishing},
month = {sep},
url = {https://doi.org/10.1063/1.2354031},
number = {11},
pages = {111907},
doi = {10.1063/1.2354031}
}
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MLA
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Joshi, Abhishek, et al. “Optical properties of colloidal InGaP∕ZnS core/shell nanocrystals.” Applied Physics Letters, vol. 89, no. 11, Sep. 2006, p. 111907. https://doi.org/10.1063/1.2354031.