锑掺杂ZrO2和TiO2纳米粒子的合成与表征

Q4 Materials Science

International Journal of Microstructure and Materials Properties Pub Date : 2019-05-21 DOI:10.1504/IJMMP.2019.10021512

Asha R. Pai, B. Nair

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引用次数: 0

摘要

本研究旨在采用改进的沉淀合成方法合成Sb掺杂的二氧化钛和氧化锆纳米颗粒并对其结构进行表征。使用各种技术，如紫外可见光谱、扫描电子显微镜、透射电子显微镜和动态光散射，对制备的纳米颗粒进行了表征。对于Sb掺杂的ZrO2，获得的晶粒尺寸＜20nm，对于Sb掺入的TiO2，获得的微晶尺寸＜10nm，这从透射电子显微镜图像中非常明显。还使用动态光散射法评估了100nm范围内的流体动力学尺寸，用于评估生物应用。发现Sb掺杂TiO2的光学带隙为3.21eV，Sb掺杂ZrO2的光学带间隙为3.87eV。

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Synthesis and characterisation of Sb-doped ZrO2 and TiO2 nanoparticles

The present study aims at the synthesis and structural characterisation of Sb-doped titania and zirconia nanoparticles using a modified precipitation synthesis method. The produced nanoparticles were characterised using various techniques such as UV-Visible spectroscopy, Scanning electron microscopy, Transmission electron microscopy and Dynamic light scattering. The crystallite sizes were obtained to be <20 nm for Sb-doped ZrO2 and <10 nm for Sb-Doped TiO2 which was very evident from the Transmission electron microscope images. The hydrodynamic sizes in the range of 100 nm using Dynamic light scattering method were also evaluated for the assessment for biological application. The optical band gap was found out to be 3.21 eV for Sb-Doped TiO2 and 3.87 eV for Sb-doped ZrO2.

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来源期刊

International Journal of Microstructure and Materials Properties Materials Science-Materials Science (all)

CiteScore

0.70

自引率

0.00%

发文量

期刊介绍： IJMMP publishes contributions on mechanical, electrical, magnetic and optical properties of metal, ceramic and polymeric materials in terms of the crystal structure and microstructure. Papers treat all aspects of materials, i.e., their selection, characterisation, transformation, modification, testing, and evaluation in the decision-making phase of product design/manufacture. Contributions in the fields of product, design and improvement of material properties in various production processes are welcome, along with scientific papers on new technologies, processes and materials, and on the modelling of processes.