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Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets

Published on: February 22, 2016

微流体瓦特里特合成:接近纳米级粒子

Ivan Reznik^1,2, Mikhail A Baranov¹, Sergei A Cherevkov¹

¹International Research and Education Centre for Physics of Nanostructures, ITMO University, 197101 Saint Petersburg, Russia.

Nanomaterials (Basel, Switzerland)

|December 8, 2023

概括

此摘要是机器生成的。

微流体技术使得碳酸 (CaCO3) 纳米粒子的连续合成成为可能. 乳液微反应器内的双相系统为瓦特里特相CaCO3纳米粒子提供了优越的尺寸控制,这对于工业应用至关重要.

关键词:

这就是CaCO3CO3的含量.添加剂制造添加剂制造添加剂制造微流体合成的微流体合成纳米颗粒是一种纳米粒子.一相合成的一相合成两相合成的两个阶段.瓦特里特人是一种瓦特里特人.

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科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
纳米技术纳米技术

背景情况:

碳酸 (CaCO3) 纳米颗粒的连续合成在控制颗粒特性方面提出了挑战.
微流体技术为精确控制纳米粒子形成提供了一个潜在的解决方案.

研究的目的:

探索使用微流体技术对CaCO3纳米颗粒的一相和两相合成方法.
评估不同合成方法在控制颗粒大小,形态和多态构成方面的效率.

主要方法:

使用定制的微流体芯片进行CaCO3纳米粒子合成.
使用扫描电子显微镜 (SEM),X射线衍射 (XRD),动态光散射 (DLS) 和小角度散射 (SAS) 来进行表征.
在微流体系统中研究了单相和双相合成策略.

主要成果:

与单相方法相比,双相合成系统,特别是在乳液微反应器内,在纳米颗粒大小上表现出更好的控制.
获得了大约50纳米大小的CaCO3纳米颗粒和高瓦特里特相位含量 (86-99%).
提供了关于在单相和双相合成之间过渡期间粒子大小演变的见解.

结论:

双相微流体方法对于连续,受控合成瓦特里特CaCO3纳米颗粒非常有效.
开发的方法提供了可扩展性和各种工业应用的潜力,需要特定的CaCO3多态和尺寸.