体2D共价有机框架定制的纳米过膜用于精确的分子选
Xueting Zhao1, Jinshan Sun1, Xinhao Cheng1
1College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
ACS applied materials & interfaces
|November 8, 2023
概括
研究人员开发了用于纳米过 (NF) 膜的新型可加工的体二维共价有机框架 (COF). 这一突破使得能够创建结构良好的COF NF膜,用于精确的分子选.
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:
- 联有机框架 (COF) 提供可调节的孔径大小和有序结构,使它们成为纳米过 (NF) 膜的前景.
- 传统的溶热合成产生无法加工的COF粉末,阻碍了膜制造和开发.
- 开发可加工的COF对于推进基于COF的NF膜技术至关重要.
研究的目的:
- 为了合成可处理的合体2D-COFs.
- 使用这些合式COF制造结构良好的COF NF膜.
- 为了证明制造膜的精确分子选能力.
主要方法:
- 使用油在水乳液界面聚合来合成合体2D-COFs.
- 层层组装 (LBL) 用于构建具有控制厚度和表面电荷的COF NF膜.
- 膜的性能是根据分子和透度来评估的.
主要成果:
- 成功合成了具有出色的膜形成性质的合体2D-COFs.
- 制造的COF NF膜具有量身定制的厚度和表面电荷.
- 开发的COF NF膜证明了高透度 (85 L·m-2·h-1·bar-1) 的染料分子的精确选.
结论:
- 通过使用合式2D-COF LBL组件制备COF NF膜的新策略.
- 这种方法克服了在膜制造中基于粉末的COFs的局限性.
- 为按需设计和制备用于精确分子选应用的COF膜提供了一条新的途径.
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