Effect of polyethylene glycol on BaTiO3 nanoparticles prepared by hydrothermal preparation

IF 3.8 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IET Nanodielectrics Pub Date : 2020-06-18 DOI:10.1049/iet-nde.2020.0007
Yanfen Peng, Huiling Chen, Feng Shi, Jing Wang
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引用次数: 5

Abstract

This work investigated the effect of polyethylene glycol (PEG) as an additive on barium titanate (BaTiO3, BT) nanoparticles (NPs) synthesised by a hydrothermal process. The structure, morphology, dispersion and crystallinity of BT NPs were tested by differential scanning calorimetry–thermogravimetric analysis, X-ray diffraction, field emission scanning electron microscope, transmission electron microscope and Raman spectroscopy, respectively. The results showed that the main phase of BT NPs includes the cubic BT phase with a tiny tetragonal phase. Also, the addition of PEG with different concentrations has a very positive effect on the control of the grain size and grain shape of the samples during the hydrothermal process. When the concentration of PEG is 1 g/l, BT NPs possess the best morphologies and highest dispersibility, and the average size is about 71.86 nm.

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聚乙二醇对水热法制备BaTiO3纳米粒子的影响
本工作研究了聚乙二醇(PEG)作为添加剂对水热合成钛酸钡(BaTiO3,BT)纳米颗粒(NP)的影响。分别通过差示扫描量热-热重分析、X射线衍射、场发射扫描电子显微镜、透射电子显微镜和拉曼光谱测试了BT NPs的结构、形态、分散度和结晶度。结果表明,BT NPs的主相包括立方BT相和微小的四方相。此外,在水热过程中,添加不同浓度的PEG对控制样品的晶粒尺寸和晶粒形状具有非常积极的作用。当PEG的浓度为1时 g/l,BT纳米粒子具有最佳的形貌和最高的分散性,平均尺寸约为71.86 nm。
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来源期刊
IET Nanodielectrics
IET Nanodielectrics Materials Science-Materials Chemistry
CiteScore
5.60
自引率
3.70%
发文量
7
审稿时长
21 weeks
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