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Microfluidic-based Synthesis of Covalent Organic Frameworks (COFs): A Tool for Continuous Production of COF Fibers and Direct Printing on a Surface
Published on: July 10, 2017
Single crystal covalent organic frameworks
Yongzhi Chen1, Zhihao Zhang1, Donglin Jiang1
1Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore. chmjd@nus.edu.sg.
This review explores synthesizing single crystal covalent organic frameworks (COFs). It details strategies to control COF structure and function, overcoming challenges in creating these advanced porous materials.
Area of Science:
- Materials Science
- Polymer Chemistry
- Crystallography
Background:
- Covalent organic frameworks (COFs) are versatile crystalline porous polymers with structure-dependent functions.
- COF synthesis involves complex physicochemical processes, leading to challenges in precise structural control, especially for single crystals.
- Polycrystalline COFs are common, but single crystal COFs offer unique properties yet remain scarce and difficult to synthesize.
Purpose of the Study:
- To review current strategies and methodologies for designing and synthesizing single crystal COFs.
- To scrutinize polymerization, nucleation, and crystallization mechanisms to identify key control parameters.
- To correlate structure-property relationships and compare single crystal COFs with polycrystalline COFs.
Main Methods:
- Literature review of existing strategies for single crystal COF synthesis.
- Analysis of polymerization, nucleation, and crystallization mechanisms in COF formation.
- Comparative study of properties and functions between polycrystalline and single crystal COFs.
Main Results:
- The complexity of COF synthesis hinders precise structural control, limiting single crystal COF diversity and accessibility.
- Key control parameters for polymerization, nucleation, and crystallization are identified.
- Structural integrity significantly impacts the performance and functions of COFs.
Conclusions:
- Advancing single crystal COF synthesis requires a deeper understanding of underlying mechanisms.
- Future research should focus on developing scalable and accessible methods for single crystal COF production.
- This review provides a framework for innovation and implementation of single crystal COFs.
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