聚乙二醇对水热法制备BaTiO3纳米粒子的影响

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

摘要

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。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Effect of polyethylene glycol on BaTiO3 nanoparticles prepared by hydrothermal preparation

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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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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