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Preparation and Applications of Metal–Organic Frameworks (MOFs): A Laboratory Activity and Demonstration for High School and/or Undergraduate Students
Journal of Chemical Education ( IF 2.5 ) Pub Date : 2020-03-27 , DOI: 10.1021/acs.jchemed.9b01166
Yoshie Sakamaki 1 , Miu Tsuji 1 , Zachary Heidrick 1 , Olivia Watson 1 , Jeremy Durchman 2 , Christopher Salmon 1 , Stephen R Burgin 3 , M Hassan Beyzavi 1
Affiliation  

The chemistry of metal–organic frameworks (MOFs), a new class of emerging crystalline porous solids with three-dimensional (3D) networks composed of metals and multidentate organic molecules, was introduced by using three differently shaped crystals. We reported new and mild MOF synthesis methods that are simple and devised to be performed in high school or primarily undergraduate school settings. MOF applications were demonstrated by use of our synthesized MOFs in the capture of iodine as a potentially hazardous molecule from solution and as a drug delivery system. These applications can be visually confirmed in minutes. Students can gain knowledge on advanced topics, such as drug delivery systems, through these easy-to-prepare MOFs. Furthermore, students can gain an understanding of powder X-ray analysis and ultraviolet–visible near-infrared spectroscopy. This laboratory experience is practical, including synthesis and application of MOFs. The entire experiment has also been recorded as an educational video posted on YouTube as a free public medium for students to watch and learn. In this paper we first report the steps we took to synthesize and analyze the MOFs, followed by a description of a simple demonstration that we verified to effectively exhibit adsorption by MOFs. We conclude with a description of how the laboratory activity and demonstration were implemented in an undergraduate chemistry laboratory.

中文翻译:


金属有机框架(MOF)的制备和应用:针对高中生和/或本科生的实验室活动和演示



金属有机框架(MOF)是一类新兴的结晶多孔固体,具有由金属和多齿有机分子组成的三维(3D)网络,其化学性质是通过使用三种不同形状的晶体来引入的。我们报道了新的、温和的 MOF 合成方法,这些方法简单且设计用于在高中或主要本科学校环境中进行。通过使用我们合成的 MOF 从溶液中捕获作为潜在危险分子的碘以及作为药物输送系统,证明了 MOF 的应用。这些应用可以在几分钟内目视确认。学生可以通过这些易于准备的 MOF 获得有关药物输送系统等高级主题的知识。此外,学生还可以了解粉末X射线分析和紫外-可见近红外光谱。该实验室经验非常实用,包括MOF的合成和应用。整个实验还被录制为教育视频,发布在 YouTube 上作为免费公共媒体供学生观看和学习。在本文中,我们首先报告了合成和分析 MOF 所采取的步骤,然后描述了一个简单的演示,我们验证了该演示可以有效地表现出 MOF 的吸附作用。最后,我们描述了如何在本科生化学实验室中实施实验室活动和演示。
更新日期:2020-04-24
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