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基于酸的金属有机框架,用于有效的气体吸附

Koh Sugamata¹, Sho Kobayashi¹, Natsuki Amanokura^1,2

¹College of Science, Department of Chemistry, Rikkyo University, 3-34-1 Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan.

Chemistry (Weinheim an der Bergstrasse, Germany)

|March 27, 2024

概括

研究人员开发了一种新的,不含金属的有机联体合成方法. 这些配体形成具有特殊和二氧化碳储存能力的金属有机框架 (MOF),显示出工业的前景.

科学领域:

材料科学材料科学材料科学
化学化学化学

背景情况:

开发具有成本效益的有机配体和多孔材料合成路径对于工业应用至关重要.
金属有机框架 (MOF) 由于其可调节的结构和高表面积,对气体存储具有前景.

研究的目的:

报告一种简单的,两步的,没有金属催化剂的新型有机联体的合成.
利用这些连接体来构建各种金属有机框架 (MOF).
为了评估合成的MOF的气体储存特性.

主要方法:

采用两步合成途径,在没有金属催化剂的情况下创建新的有机联体.
合成的配体被用作链接器,用各种金属离子 (如,铜) 构建MOF.
在特定的温度和压力条件下测量了气体储存能力 (H2和CO2).

主要成果:

一种新的,无金属催化剂的有机联体的合成成功实现.
基于和铜的MOFs是使用这些多功能连接体来构建的.
一种基于的MOF表现出显著的气体储存性能:在77K时>2.5重%H2和在298K时>20重%CO2 (100kPa时).
这种以为基础的MOF通过溶热方法在格拉姆尺度上合成,产生了高质量的单晶.

结论:

开发的合成策略为MOF构造提供了对有机联体的有效访问.
由此产生的MOF显示了工业气体储存应用的巨大潜力.
高性能MOF的可扩展合成方法是可以实现的.

关键词:

储存气体的储气方式金属有机框架的框架.酸胺是一种酸.有孔的协调聚合物.进行X射线结晶学分析.

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