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Influence of different stabilizers on the optical and nonlinear optical properties of CdTe nanoparticles

Mahmmoud Sayed, Abd El-sadek LU ; Nooralden, Ahmad Y.; Babu, S. Moorthy and Palanisamy, P. K. (2011) In Optics Communications 284(12). p.2900-2904
Abstract
CdTe semiconductor nanocrystals were synthesized with three different stabilizers: Mercaptoacetic Acid (MM), Mercaptopropionic Acid (MPA) and 2-Mercaptoethanol (ME) at pH approximate to 11.2 by wet chemical route using potassium tellurite and cadmium chloride as starting materials. The effect of capping agent on the preparation of these samples was evaluated using UV-Visible absorption and photoluminescence analysis. With the same reaction time but with different stabilizers, nanocrystals of different diameters were obtained. The average full width at half maximum of the photoluminescence spectra was about 69 nm which indicates that the monodispersity was quite good. The particle size was calculated by Debye-Scherrer equation from XRD... (More)
CdTe semiconductor nanocrystals were synthesized with three different stabilizers: Mercaptoacetic Acid (MM), Mercaptopropionic Acid (MPA) and 2-Mercaptoethanol (ME) at pH approximate to 11.2 by wet chemical route using potassium tellurite and cadmium chloride as starting materials. The effect of capping agent on the preparation of these samples was evaluated using UV-Visible absorption and photoluminescence analysis. With the same reaction time but with different stabilizers, nanocrystals of different diameters were obtained. The average full width at half maximum of the photoluminescence spectra was about 69 nm which indicates that the monodispersity was quite good. The particle size was calculated by Debye-Scherrer equation from XRD data. Further characterization studies such as FT-IR and optical nonlinearity studies on the samples were carried out and the results are discussed. (C) 2011 Elsevier B.V. All rights reserved. (Less)
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author
organization
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type
Contribution to journal
publication status
published
subject
keywords
CdTe nanocrystals, Optical properties, Nonlinear refraction index, Nonlinear materials, Z-scan technique, FT-IR spectroscopy
in
Optics Communications
volume
284
issue
12
pages
2900 - 2904
publisher
Elsevier
external identifiers
  • wos:000290692900052
  • scopus:79955012041
ISSN
0030-4018
DOI
10.1016/j.optcom.2011.01.071
language
English
LU publication?
yes
id
f751508a-75aa-4bbb-a4fb-39c8e671c123 (old id 4442979)
date added to LUP
2014-05-19 17:23:25
date last changed
2017-10-29 04:02:59
@article{f751508a-75aa-4bbb-a4fb-39c8e671c123,
  abstract     = {CdTe semiconductor nanocrystals were synthesized with three different stabilizers: Mercaptoacetic Acid (MM), Mercaptopropionic Acid (MPA) and 2-Mercaptoethanol (ME) at pH approximate to 11.2 by wet chemical route using potassium tellurite and cadmium chloride as starting materials. The effect of capping agent on the preparation of these samples was evaluated using UV-Visible absorption and photoluminescence analysis. With the same reaction time but with different stabilizers, nanocrystals of different diameters were obtained. The average full width at half maximum of the photoluminescence spectra was about 69 nm which indicates that the monodispersity was quite good. The particle size was calculated by Debye-Scherrer equation from XRD data. Further characterization studies such as FT-IR and optical nonlinearity studies on the samples were carried out and the results are discussed. (C) 2011 Elsevier B.V. All rights reserved.},
  author       = {Mahmmoud Sayed, Abd El-sadek and Nooralden, Ahmad Y. and Babu, S. Moorthy and Palanisamy, P. K.},
  issn         = {0030-4018},
  keyword      = {CdTe nanocrystals,Optical properties,Nonlinear refraction index,Nonlinear materials,Z-scan technique,FT-IR spectroscopy},
  language     = {eng},
  number       = {12},
  pages        = {2900--2904},
  publisher    = {Elsevier},
  series       = {Optics Communications},
  title        = {Influence of different stabilizers on the optical and nonlinear optical properties of CdTe nanoparticles},
  url          = {http://dx.doi.org/10.1016/j.optcom.2011.01.071},
  volume       = {284},
  year         = {2011},
}