Applied Surface Science, volume 314, pages 877-887
Influence of Cd 2+ /S 2− molar ratio and of different capping environments in the optical properties of CdS nanoparticles incorporated within a hybrid diureasil matrix
Luis F F F Gonçalves
1
,
Carlos Silva
1
,
Fehmida K Kanodarwala
2
,
John Stride
2
,
M Pereira
3
,
Maria A. B. Gomes
3
1
Centro de Química, Departamento de Química, Universidade do Minho, 4710-057 Braga, Portugal
|
3
Centro de Física – Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal
|
Publication type: Journal Article
Publication date: 2014-09-01
Journal:
Applied Surface Science
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6.7
ISSN: 01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
The incorporation of CdS nanoparticles (NPs), as prepared through colloidal methods using reverse micelles, within diureasil hybrid organic–inorganic sol–gel matrices was investigated. Several experimental conditions, namely the influence of capping agent 3-mercaptopropyltrimethoxysilane (MPTMS) or the use of tetraethoxysilane (TEOS), were studied in order to assure the preservation of the original optical properties of colloidal CdS NPs after the incorporation of the NPs within the solid diureasil hybrid matrix. The diureasil matrix is based on a siliceous network cross linked through urea bonds to poly(oxyethylene)/poly(oxypropylene) (PEO/PPO) chains. The influence of the Cd2+/S2− molar ratio of the NPs in the stability and dispersion of the NPs within the diureasil matrix was also investigated. The obtained CdS doped hybrid matrix was characterized by absorption, steady-state and time-resolved photoluminescence (PL) spectroscopy and by transmission electron microscopy (TEM). The stability of the CdS NPs within the hybrid matrix showed to be dependent on the Cd2+/S2− molar ratio used in the synthesis of the NPs. The use of MPTMS proved to be crucial in the preservation of the original optical properties of the colloidal CdS NPs after the incorporation of the NPs within the hybrid matrix. The effect of MPTMS was in turn influenced by the Cd2+/S2− molar ratio employed in the synthesis of the CdS NPs. The use of MPTMS was less effective when Cd2+/S2− molar ratio equal to 0.5 was used. In the absence of MPTMS or TEOS larger NPs size distribution and clustering of the CdS NPs were obtained after the transfer of the NPs into the hybrid matrix.
Top-30
Citations by journals
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1 publication, 7.14%
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Chemical Physics Letters
1 publication, 7.14%
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International Journal of Hydrogen Energy
1 publication, 7.14%
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1 publication, 7.14%
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Chemistry - A European Journal
1 publication, 7.14%
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1 publication, 7.14%
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ChemBioEng Reviews
1 publication, 7.14%
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Russian Chemical Reviews
1 publication, 7.14%
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1
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Citations by publishers
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3
4
5
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8
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Elsevier
8 publications, 57.14%
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Wiley
2 publications, 14.29%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 7.14%
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Springer Nature
1 publication, 7.14%
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Pleiades Publishing
1 publication, 7.14%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 7.14%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Gonçalves L. F. F. F. et al. Influence of Cd 2+ /S 2− molar ratio and of different capping environments in the optical properties of CdS nanoparticles incorporated within a hybrid diureasil matrix // Applied Surface Science. 2014. Vol. 314. pp. 877-887.
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Gonçalves L. F. F. F., Silva C., Kanodarwala F. K., Stride J., Pereira M., Gomes M. A. B. Influence of Cd 2+ /S 2− molar ratio and of different capping environments in the optical properties of CdS nanoparticles incorporated within a hybrid diureasil matrix // Applied Surface Science. 2014. Vol. 314. pp. 877-887.
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TY - JOUR
DO - 10.1016/j.apsusc.2014.06.181
UR - https://doi.org/10.1016/j.apsusc.2014.06.181
TI - Influence of Cd 2+ /S 2− molar ratio and of different capping environments in the optical properties of CdS nanoparticles incorporated within a hybrid diureasil matrix
T2 - Applied Surface Science
AU - Gonçalves, Luis F F F
AU - Silva, Carlos
AU - Kanodarwala, Fehmida K
AU - Stride, John
AU - Pereira, M
AU - Gomes, Maria A. B.
PY - 2014
DA - 2014/09/01 00:00:00
PB - Elsevier
SP - 877-887
VL - 314
SN - 0169-4332
ER -
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@article{2014_Gonçalves,
author = {Luis F F F Gonçalves and Carlos Silva and Fehmida K Kanodarwala and John Stride and M Pereira and Maria A. B. Gomes},
title = {Influence of Cd 2+ /S 2− molar ratio and of different capping environments in the optical properties of CdS nanoparticles incorporated within a hybrid diureasil matrix},
journal = {Applied Surface Science},
year = {2014},
volume = {314},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.apsusc.2014.06.181},
pages = {877--887},
doi = {10.1016/j.apsusc.2014.06.181}
}