A sonochemical method for the preparation of cadmium sulfide and cadmium selenide nanoparticles in aqueous solutions

被引：39

作者：

Kristl, Matjaz ^{[1
]}

Ban, Irena ^{[1
]}

Danc, Anita ^{[2
]}

Danc, Valerija ^{[3
]}

Drofenik, Miha ^{[1
,4
]}

机构：

[1] Univ Maribor, Fac Chem & Chem Engn, SLO-2000 Maribor, Slovenia

[2] Elementary Sch, Razkrizje 9240, Ljutomer, Slovenia

[3] Prosenjakovci KAI Partosfalva, Elementary Sch, Prosenjakovci 9207, Slovenia

[4] Jozef Stefan Inst, Dept Mat Synth, Ljubljana, Slovenia

来源：

ULTRASONICS SONOCHEMISTRY | 2010年 / 17卷 / 05期

关键词：

Sonochemistry; Nanoparticles; Cadmium sulfide; Cadmium selenide; CDSE; ROUTE;

D O I：

10.1016/j.ultsonch.2009.12.013

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Sonochemistry is a branch of chemistry where sound energy in the form of ultrasound is used to influence the course of reactions. A short-term, local increase in temperature occurs when the solutions and suspensions are irradiated by ultrasound. This happens because the substance absorbs the ultrasound waves. The purpose of this research was the synthesis of CdS and CdSe nanoparticles. We used cadmium sulfate hydrate (CdSO4 center dot 8/3H(2)O), elemental S and Se. Aqueous solutions of NaOH, Na2SO3 and EDTA were used as the solvents. During the syntheses, we used a direct immersion ultrasound probe by vibracell. The device operates with a constant frequency of 20 kHz, with the possibility to change the amplitude and with it the input of energy to the time unit. The products were characterized by X-ray powder diffraction (XRD), thermal analyses (TGA. SDTA) and TEM analyses. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：916 / 922

页数：7

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