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Related Experiment Video

Updated: Jan 7, 2026

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance
08:12

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Published on: September 5, 2018

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Highly Stable 3D-Printed Acrylate-Functionalized Metal-Organic Framework Scaffold for Enhanced Water Adsorption Cycle

Eunyeong Cho1,2, Jae Ryung Choi1, Sujin Park1

  • 1Composites and Convergence Research Division, Korea Institute of Materials Science (KIMS), 797 Changwon-daero, Seongsan-gu, Changwon, Gyeongnam-do 51508, Republic of Korea.

ACS Applied Materials & Interfaces
|December 25, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed 3D-printed metal-organic framework (MOF) scaffolds with improved stability for water adsorption. Ligand exchange with 2-carboxyethyl acrylate (CEA) enhanced mechanical strength and cycling performance.

Keywords:
3D printingligand exchangemetal−organic frameworkphotopolymerizationscaffoldwater adsorption

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Nanotechnology

Background:

  • Metal-organic frameworks (MOFs) are porous materials with high surface areas, ideal for adsorption applications.
  • MOFs often face challenges with stability and mechanical robustness in practical applications.
  • 3D printing offers a method for fabricating complex MOF-based structures.

Purpose of the Study:

  • To fabricate 3D-printed MOF-based scaffolds with enhanced water adsorption cycle stability.
  • To improve the mechanical properties and durability of MOF scaffolds through functionalization.
  • To investigate the impact of ligand exchange on MOF scaffold performance.

Main Methods:

  • Fabrication of 3D-printed MOF-based scaffolds using MOF-801.
  • Incorporation of trimethylolpropane triacrylate (TMPTA) as a cross-linker.
  • Ligand exchange of MOF-801 with 2-carboxyethyl acrylate (CEA).
  • Assessment of compressive strength and water adsorption cycling stability.

Main Results:

  • Ligand exchange with CEA increased the compressive strength of 3D-printed scaffolds by 15%.
  • Enhanced photopolymerization conversion and a robust cross-linked network were observed.
  • CEA-functionalized MOF-801 scaffolds maintained consistent water adsorption over 10 cycles.
  • Improved mechanical robustness and structural stability were achieved.

Conclusions:

  • CEA-functionalized MOF-801 scaffolds demonstrate excellent water adsorption cycling stability and mechanical robustness.
  • This approach offers a promising strategy for developing durable MOF-based materials.
  • Potential applications include adsorption, separation, and catalysis.