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Updated: May 28, 2026
08:42
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
Encapsulation of Cyclam Inside a Covalent Organic Framework for Efficient CO2 and SO2 Removal
Jiatong Wang1, Zerong Ge1, Jun Liang1,2
1Hebei Key Laboratory of Functional Polymer, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300401, China.
ACS Applied Materials & Interfaces
|May 27, 2026
Summary
Covalent organic frameworks (COFs) with encapsulated cyclam molecules show enhanced CO2 and SO2 removal. These host@COF materials offer improved gas adsorption and separation for air pollution control.
Area of Science:
- Materials Science
- Environmental Chemistry
- Nanotechnology
Background:
- Covalent organic frameworks (COFs) show promise for air pollutant control.
- Ultramicroporous COFs for efficient CO2 and SO2 removal are underexplored.
Purpose of the Study:
- To design and synthesize novel host@COF adsorbents for enhanced CO2 and SO2 capture.
- To investigate the impact of encapsulated cyclam molecules on COF pore structure and adsorption properties.
Main Methods:
- Wetness impregnation method for synthesizing host@COF adsorbents.
- Gas adsorption and separation performance testing at low pressures.
- Characterization of pore structure and basic adsorption sites.
Main Results:
- The synthesized Cyclam@NKCOF-10 material exhibits enhanced CO2 and SO2 uptake capacities.
- Improved CO2/N2 and SO2/N2 separation performance at low pressures was observed.
- NKCOF-10 and Cyclam@NKCOF-10(40) demonstrated high SO2 uptake (10.21 and 12.42 mmol g-1) and SO2/CO2 selectivity (85).
Conclusions:
- Host@COF materials with tunable pore structures can significantly improve gas adsorption and separation.
- Encapsulating cyclam molecules into COFs creates new subnanometer pores and basic sites, enhancing pollutant removal.
- This study highlights the potential of designed host@COF adsorbents for effective air pollution control.
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