The electrochemical discharges for the synthesis of nickel oxide nanoparticles: Characterization and mechanism

被引：28

作者：

Allagui, Anis ^{[1
]}

Wuethrich, Rolf ^{[1
]}

机构：

[1] Concordia Univ, Dept Mech & Ind Engn, Montreal, PQ H3G 1M8, Canada

来源：

ELECTROCHIMICA ACTA | 2011年 / 58卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

Nanoparticles; Electrochemical discharges; Plasma electrolysis; Radiation chemistry; SONOCHEMICAL SYNTHESIS; CATALYTIC-PROPERTIES; METAL NANOPARTICLES; OPTICAL-PROPERTIES; PARTICLES; SIZE; GOLD; COLLOIDS; CLUSTERS; TEMPERATURE;

D O I：

10.1016/j.electacta.2011.08.040

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Electrochemical discharges in aqueous solution of sulphuric acid and ethanol as scavenger of hydroxyl radicals, in addition to polyvinylpyrrolidone as stabilizing agent are used for the synthesis of nano-sized nickel oxide colloids. Morphological characterization by electron microscopy and powder X-ray diffraction has been performed to examine the obtained particles at different terminal voltages and experiment durations. From the qualitative resemblance of the electrochemical discharges to the radiolysis technique, a microscopic mechanistic model is proposed giving an overall picture of the physicochemical phenomenon for the synthesis of fine particles. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：12 / 18

页数：7

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