金属有机框架增长的通用战略:从级联功能片到MOF-on-MOFs
Juan Zheng1, Luyi Chen2, Yixin Kuang3
1School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, 519082, China.
Small (Weinheim an der Bergstrasse, Germany)
|March 11, 2024
概括
研究人员开发了一种通用策略,用于金属有机框架 (MOF) 膜的现场生长. 这种方法使可控制的微结构能够用于先进的设备应用和同位素分离.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 化学工程是化学工程的重要组成部分.
背景情况:
- 将金属有机框架 (MOF) 颗粒转化为薄膜对于开发先进设备和功能集成混合框架至关重要.
- 现有的策略往往涉及灵活的聚合物或独家修改,缺乏无添加剂和广泛适用的方法,这阻碍了结构性能关系的调查.
研究的目的:
- 引入一个普遍的战略,用于在现场增长的大面积,连续的MOF片与可控制的微观结构.
- 为了证明这种策略的应用,用于制造能够选择性吸附和同位素分离的定制设备.
- 探索使用各种格子参数构建MOF-on-MOF的可行性.
主要方法:
- 修改多尺度和多结构基板,以聚4-乙烯二烯) 作为.
- 利用和金属离子之间的库伦引力在现场MOF膜生长.
- 根据现场培养的MOF膜制造定制设备.
主要成果:
- 在现场实现了大面积和连续MOF薄膜的生长,具有可控制的微观结构.
- 证明了工业相关异构体的高度选择性吸附和协同分离.
- 成功构建了各种格子参数的MOF-on-MOFs.
结论:
- 提出的策略是普遍的,没有添加剂,并且广泛适用于各种MOF在各种基板上的表面生长.
- 开发的MOF薄膜使得基于明确的结构-吸附-分离机制的选择性吸附和同位素分离的定制设备成为可能.
- 这项工作为开发具有集成定制功能的混合MOF提供了一个新概念.
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