Optical Materials, volume 36, issue 2, pages 186-190

One-pot synthesis of CdS nanoparticles exhibiting quantum size effect prepared within a sol–gel derived ureasilicate matrix

Luis F F F Gonçalves 1
Fehmida K Kanodarwala 2
John Stride 2
Carlos Silva 1
M. J. M. 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 typeJournal Article
Publication date2013-12-01
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.9
ISSN09253467
Electronic, Optical and Magnetic Materials
Organic Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Abstract
This paper describes a novel single-pot synthesis process based on sol–gel for the production of a highly transparent hybrid matrix containing CdS nanoparticles (NPs). The reaction between cadmium and sulphide ions in the presence of 3-mercaptopropyltrimethoxysilane (MPTMS) that originates the formation of quantum confined CdS NPs occurs simultaneously with the condensation and polymerization of the gel precursors that evolves to a macromolecular hybrid organic–inorganic network. The obtained xerogel matrix is based on the reaction of organically modified alkoxysilane (3-isocyanatepropyltriethoxysilane) and a di-amine functionalized oligopolyoxyethylene (Jeffamine ED-600). The final material is characterized as highly transparent, homogeneous and flexible xerogel incorporating stabilized and high crystalline CdS NPs that exhibit size-dependent optical properties due to quantum confinement of photogenerated e-h pairs as observed from UV–visible and photoluminescence spectroscopy and HRTEM microscopy measurements. The developed approach has obvious advantages comparatively to the alternative and more complex routes of production of composite materials with embedded semiconductor NPs because of the simplified one-pot preparative procedure used. The developed sol–gel process allows the control of the optical characteristics of the obtained CdS NPs embedded within the network by adjusting the molar ratio between cadmium ion and MPTMS and between cadmium and sulphide ions.

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Gonçalves L. F. F. F. et al. One-pot synthesis of CdS nanoparticles exhibiting quantum size effect prepared within a sol–gel derived ureasilicate matrix // Optical Materials. 2013. Vol. 36. No. 2. pp. 186-190.
GOST all authors (up to 50) Copy
Gonçalves L. F. F. F., Kanodarwala F. K., Stride J., Silva C., Gomes M. J. M. One-pot synthesis of CdS nanoparticles exhibiting quantum size effect prepared within a sol–gel derived ureasilicate matrix // Optical Materials. 2013. Vol. 36. No. 2. pp. 186-190.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.optmat.2013.08.026
UR - https://doi.org/10.1016/j.optmat.2013.08.026
TI - One-pot synthesis of CdS nanoparticles exhibiting quantum size effect prepared within a sol–gel derived ureasilicate matrix
T2 - Optical Materials
AU - Gonçalves, Luis F F F
AU - Kanodarwala, Fehmida K
AU - Stride, John
AU - Silva, Carlos
AU - Gomes, M. J. M.
PY - 2013
DA - 2013/12/01 00:00:00
PB - Elsevier
SP - 186-190
IS - 2
VL - 36
SN - 0925-3467
ER -
BibTex |
Cite this
BibTex Copy
@article{2013_Gonçalves,
author = {Luis F F F Gonçalves and Fehmida K Kanodarwala and John Stride and Carlos Silva and M. J. M. Gomes},
title = {One-pot synthesis of CdS nanoparticles exhibiting quantum size effect prepared within a sol–gel derived ureasilicate matrix},
journal = {Optical Materials},
year = {2013},
volume = {36},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.optmat.2013.08.026},
number = {2},
pages = {186--190},
doi = {10.1016/j.optmat.2013.08.026}
}
MLA
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MLA Copy
Gonçalves, Luis F. F. F., et al. “One-pot synthesis of CdS nanoparticles exhibiting quantum size effect prepared within a sol–gel derived ureasilicate matrix.” Optical Materials, vol. 36, no. 2, Dec. 2013, pp. 186-190. https://doi.org/10.1016/j.optmat.2013.08.026.
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