Facile synthesis of hafnium oxide nanoparticles via precipitation method

被引：35
|
作者：
Ramadoss, Ananthakumar [1 ]
Krishnamoorthy, Karthikeyan [1 ]
Kim, Sang Jae [1 ,2 ]
机构：
[1] Jeju Natl Univ, Nanomat & Syst Lab, Dept Mech Syst Engn, Cheju 690756, South Korea
[2] Jeju Natl Univ, Dept Mechatron Engn, Cheju 690756, South Korea
来源：
MATERIALS LETTERS | 2012年 / 75卷
基金：
新加坡国家研究基金会;
关键词：
HfO2; Nanoparticles; X-ray techniques; FTIR; Microstructure; OPTICAL-PROPERTIES; TEMPERATURE;
D O I：
10.1016/j.matlet.2012.02.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A facile approach to the synthesis of hafnium oxide nanoparticles (HfO2 NPs) using the precipitation method has been reported. The X-ray diffraction (XRD) pattern of the HfO2 NPs revealed the monoclinic structure, which was also supported by FTIR spectra. From the XRD pattern, the average crystallite size was calculated as 24 nm using the Scherrer formula. The field emission scanning electron microscope (FE-SEM) image showed that the synthesized HfO2 NPs were spherical in shape with an average particle size of about 25 nm, which was found to be very close to the XRD results. The optical band gap (E-g) of the HfO2 NPs was calculated as 6.09 eV. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：215 / 217
页数：3
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