Optical and structural properties of thin films precipitated from the sol of silicon nanoparticles
S G Dorofeev
1
,
N N Kononov
2
,
A. A. Ishchenko
3
,
R B Vasilev
4
,
M A Goldschtrakh
3
,
K V Zaitseva
3
,
V.V. Koltashev
5
,
V.G. Plotnichenko
5
,
O V Tikhonevich
2
5
Research Center of Fiber Optics, Russian Academy of Sciences, Moscow, Russia
|
Publication type: Journal Article
Publication date: 2009-11-05
scimago Q4
wos Q4
SJR: 0.154
CiteScore: 0.9
Impact factor: 0.6
ISSN: 10637826, 10906479, 17267315, 09412751
Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
A new technique of growing nanocrytalline silicon (nc-Si) thin films is suggested. The technique involves the centrifuge-assisted size-selective deposition of nanoparticles from a colloidal solution (sol) containing nc-Si powders. The structural and optical parameters of the initial nc-Si powders and films deposited by the newly suggested procedure are studied by transmission electron microscopy and analysis of absorption spectra and Raman spectra. The absorption coefficient of the nc-Si films increases with decreasing dimensions of the constituent nanoparticles. The experimentally measured band gap of the films, Eg, is widened from 1.8 to 2.2. eV on etching the nc-Si powders used for deposition of the corresponding films. On the basis of the analysis of the Raman spectra, it is suggested that the amorphous component is involved in the nc-Si powders and films due to oxygen atoms arranged at the nanoparticle surface.
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Dorofeev S. G. et al. Optical and structural properties of thin films precipitated from the sol of silicon nanoparticles // Semiconductors. 2009. Vol. 43. No. 11. pp. 1420-1427.
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Dorofeev S. G., Kononov N. N., Ishchenko A. A., Vasilev R. B., Goldschtrakh M. A., Zaitseva K. V., Koltashev V., Plotnichenko V., Tikhonevich O. V. Optical and structural properties of thin films precipitated from the sol of silicon nanoparticles // Semiconductors. 2009. Vol. 43. No. 11. pp. 1420-1427.
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RIS
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TY - JOUR
DO - 10.1134/S1063782609110050
UR - https://doi.org/10.1134/S1063782609110050
TI - Optical and structural properties of thin films precipitated from the sol of silicon nanoparticles
T2 - Semiconductors
AU - Dorofeev, S G
AU - Kononov, N N
AU - Ishchenko, A. A.
AU - Vasilev, R B
AU - Goldschtrakh, M A
AU - Zaitseva, K V
AU - Koltashev, V.V.
AU - Plotnichenko, V.G.
AU - Tikhonevich, O V
PY - 2009
DA - 2009/11/05
PB - Pleiades Publishing
SP - 1420-1427
IS - 11
VL - 43
SN - 1063-7826
SN - 1090-6479
SN - 1726-7315
SN - 0941-2751
ER -
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BibTex (up to 50 authors)
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@article{2009_Dorofeev,
author = {S G Dorofeev and N N Kononov and A. A. Ishchenko and R B Vasilev and M A Goldschtrakh and K V Zaitseva and V.V. Koltashev and V.G. Plotnichenko and O V Tikhonevich},
title = {Optical and structural properties of thin films precipitated from the sol of silicon nanoparticles},
journal = {Semiconductors},
year = {2009},
volume = {43},
publisher = {Pleiades Publishing},
month = {nov},
url = {https://doi.org/10.1134/S1063782609110050},
number = {11},
pages = {1420--1427},
doi = {10.1134/S1063782609110050}
}
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MLA
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Dorofeev, S. G., et al. “Optical and structural properties of thin films precipitated from the sol of silicon nanoparticles.” Semiconductors, vol. 43, no. 11, Nov. 2009, pp. 1420-1427. https://doi.org/10.1134/S1063782609110050.
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