Journal of Luminescence, volume 140, pages 65-70

Synthesis of CdS nanoparticles quantum dots capped by 2,2′-dithiodibenzoic acid and study of its interaction with some transition metal ions

Publication typeJournal Article
Publication date2013-08-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.6
ISSN00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
In this work, CdS quantum dots (QDs) capped by 2,2′-dithiodibenzoic acid (DDBA) were prepared at one step. The size, shape, components and spectral properties of DDBA-capped-CdS QDs were characterized by transmission electron microscopy, infrared spectrometry and spectroflourometry. The results showed that the prepared QDs with an average diameter of 15 nm have a favorable fluorescence, which is highly affected by pH of the environment. Interaction of some heavy metal ions including Ag(I), Hg(II), Cu(II), Fe(II), Ni(II), pb(II), Mn(II), Zn(II) and Co(II) with DDBA-capped-CdS QDs was investigated at different buffering pH media. Based on the fluorescence quenching of the QDs in the presence of metal ion of interest, feasibility of their determinations were examined according to the Stern–Volmer equation. The investigations showed that Ag(I) ions can be determined in the presence of many co-existence metal ions at the buffering pH of 7. This method was then applied for Ag(I) measurement in some environmental samples, satisfactorily. ► A new CdS quantum dot capped with 2,2′-dithiodibenzoic acid (DDBA) was prepared. ► The prepared QDs benefit from a favorable fluorescence. ► Interaction of some metal ions with the QDs was examined according to the Stern–Volmer equation. ► The determination of Ag(I) is feasible in the presence of many co-existence metal ions. ► The method benefits from high-speed and considerable simplicity for Ag(I) determination.

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Hosseini M. H., Jahanbani H. Synthesis of CdS nanoparticles quantum dots capped by 2,2′-dithiodibenzoic acid and study of its interaction with some transition metal ions // Journal of Luminescence. 2013. Vol. 140. pp. 65-70.
GOST all authors (up to 50) Copy
Hosseini M. H., Jahanbani H. Synthesis of CdS nanoparticles quantum dots capped by 2,2′-dithiodibenzoic acid and study of its interaction with some transition metal ions // Journal of Luminescence. 2013. Vol. 140. pp. 65-70.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.jlumin.2013.02.050
UR - https://doi.org/10.1016/j.jlumin.2013.02.050
TI - Synthesis of CdS nanoparticles quantum dots capped by 2,2′-dithiodibenzoic acid and study of its interaction with some transition metal ions
T2 - Journal of Luminescence
AU - Hosseini, Mohammad Hossein
AU - Jahanbani, Hamideh
PY - 2013
DA - 2013/08/01 00:00:00
PB - Elsevier
SP - 65-70
VL - 140
SN - 0022-2313
ER -
BibTex
Cite this
BibTex Copy
@article{2013_Hosseini,
author = {Mohammad Hossein Hosseini and Hamideh Jahanbani},
title = {Synthesis of CdS nanoparticles quantum dots capped by 2,2′-dithiodibenzoic acid and study of its interaction with some transition metal ions},
journal = {Journal of Luminescence},
year = {2013},
volume = {140},
publisher = {Elsevier},
month = {aug},
url = {https://doi.org/10.1016/j.jlumin.2013.02.050},
pages = {65--70},
doi = {10.1016/j.jlumin.2013.02.050}
}
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