搅拌速率对改性热处理沉淀法合成羟基磷灰石纳米颗粒粒径的影响

IF 0.9 4区 材料科学 Q3 MATERIALS SCIENCE, CERAMICS
Eduardo Hernández-Silva, F. Vázquez-Hernández, S. Mendoza-Acevedo, M. Pérez-González, S. Tomás-Velázquez, P. Rodríguez-Fragoso, J. Mendoza-Álvarez, Pedro Luna-Arias
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引用次数: 0

摘要

化学合成是制备纳米羟基磷灰石晶体的常用方法之一。改变合成条件并研究其对纳米颗粒结构的影响是可行的。在这项工作中,通过改进的热处理沉淀法和在成核过程中改变溶液的搅拌速率来合成羟基磷灰石纳米颗粒。主要目标是在不影响合成材料结晶度的情况下减小颗粒尺寸,这对生物医学应用等几个用例很重要。采用x射线衍射、傅里叶变换红外光谱、-拉曼光谱、x射线光电子能谱、高分辨率透射电镜和扫描电镜对制备的材料进行了表征。纳米粒子吗?在成核过程中,随着搅拌速率的增加,纳米羟基磷灰石的粒径减小,表明所采用的合成方法可以在不影响结晶度的情况下获得不同粒径的羟基磷灰石纳米颗粒。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of stirring rate on the size of hydroxyapatite nanoparticles synthesized by a modified heat-treated precipitation method
Chemical synthesis is one of the most employed methods to obtain crystalline hydroxyapatite nanoparticles. It is feasible to vary the synthesis conditions and study their effects on nanoparticle structure. In this work, hydroxyapatite nanoparticles were synthesised by a modified heat-treated precipitation method and varying stirring rate of the solution during the nucleation process. The main goal was to reduce the particle size without affecting the crystallinity degree of the synthesized material what is important for several use cases, such as biomedical applications. The produced materials were characterized by X-ray diffraction, Fourier transformed infrared spectroscopy, ?-Raman spectroscopy, X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy and scanning electron microscopy. The nanoparticle?s size decreased by increasing the stirring rate during the nucleation step, showing that the employed synthesis method is efficient for obtaining hydroxyapatite nanoparticles of variable sizes without affecting the crystallinity degree.
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来源期刊
Processing and Application of Ceramics
Processing and Application of Ceramics MATERIALS SCIENCE, CERAMICS-
CiteScore
1.90
自引率
9.10%
发文量
14
审稿时长
10 weeks
期刊介绍: Information not localized
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