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Desalination and Water Treatment Volume 57, 2016 - Issue 35
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Articles

Cadmium selenide quantum dots: synthesis, characterization, and dye removal ability with UV irradiation

Niyaz Mohammad MahmoodiDepartment of Environmental Research, Institute for Color Science and Technology, Tehran, Iran, Tel. +98 021 22969771; Fax: +98 021 22947537Correspondence[email protected]
,
Mina OveisiDepartment of Environmental Research, Institute for Color Science and Technology, Tehran, Iran, Tel. +98 021 22969771; Fax: +98 021 22947537Correspondence[email protected]
,
Amir Masoud ArabiDepartment of Inorganic Pigment and Glazes, Institute for Color Science and Technology, Tehran, Iran, Tel. +98 021 22969771; Fax: +98 021 22947537Correspondence[email protected]
&
Behzad KarimiDepartment of Inorganic Pigment and Glazes, Institute for Color Science and Technology, Tehran, Iran, Tel. +98 021 22969771; Fax: +98 021 22947537Correspondence[email protected]
Pages 16552-16558 | Received 19 Mar 2015, Accepted 28 Jul 2015, Published online: 24 Aug 2015
 
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Abstract

In this study, cadmium selenide quantum dots (CdSe-QD) were synthesized and characterized. Dye removal ability of CdSe-QD with UV irradiation (UV/CdSe-QD) was investigated. The synthesized QD was characterized by X-ray diffraction, transmittance electron microscope, Fourier transformation infrared, dynamic light scattering, atomic force microscopy, UV–visible, and photoluminescence analyses. Basic Violet 16, Basic Blue 41, and Acid Blue 92 were used as model dyes. The effect of CdSe-QD dosage on dye removal in presence of UV irradiation was studied. The obtained results showed that dye removal followed by a first-order kinetic model. It has been found that CdSe-QD has dye removal ability from colored wastewater in the presence of UV irradiation.

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