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使用振荡反微反应器进行纳米颗粒的高通量合成:一种选择性缩放策略

Mingxin Li¹, Wensheng Wang¹, Cong Xu¹

¹Tsinghua University, Institute of Nuclear and New Energy Technology Haidian District Beijing China c-xu@mail.tsinghua.edu.cn.

|December 13, 2023

概括

这项研究提出了一种高通量纳米粒子合成的有效方法,使用放大振荡反微混合器. 新的混沌对流模式实现了高质量的硫酸纳米颗粒的高生产率.

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:

传统的纳米粒子合成方法难以精确控制居住时间和度,限制吞吐量和质量.
被动振荡反微混合器 (OFMs) 提供了改进的控制,但在提高吞吐量方面面临挑战,同时保持微流体效益.

研究的目的:

开发一种高通量方法,用于合成高质量的硫酸 (BaSO4) 纳米颗粒.
在生产速度方面克服现有的微混合器技术的局限性.

主要方法:

采用了选择性扩展策略来创建扩大的OFM.
在扩大规模的OFM中,使用了一种新的混乱对流合成模式.

主要成果:

扩大的OFM成功地产生了高质量的BaSO4纳米粒子,平均尺寸为24.91nm,尺寸分布为10-50nm.
该系统实现了281.4毫升min-1.1的高吞吐量.
纳米粒子生产率达到了538.4g h-1,明显超过了之前报告的速度.

结论:

在扩大的OFM中开发的混乱对流合成模式使得高吞吐量,高质量的纳米粒子生产成为可能.
这种方法为扩大微流体纳米粒子合成提供了一个有希望的解决方案.
这些发现代表了纳米粒子制造效率的重大进步.

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