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Related Experiment Video

Updated: Dec 3, 2025

Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

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Published on: August 16, 2018

Ionic Hydrogen-Bonded Organic Frameworks for Ion-Responsive Antimicrobial Membranes.

Bai-Tong Liu^1,2, Xiao-Hong Pan³, Dan-Yue Nie³

¹State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China.

Advanced Materials (Deerfield Beach, Fla.)

|October 30, 2020

Summary

Researchers developed a novel functionalized hydrogen-bonded organic framework (HOF) for antimicrobial applications. This new material exhibits synergistic photodynamic and chemical antimicrobial efficiency, offering broad potential for functionalizing HOF materials.

Keywords:

HOF membranes antimicrobials hydrogen-bonded organic frameworks ion-responsive behavior photodynamics

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Last Updated: Dec 3, 2025

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Area of Science:

Materials Science
Supramolecular Chemistry
Nanotechnology

Background:

Functionalizing hydrogen-bonded organic frameworks (HOFs) for targeted applications remains a significant challenge.
Existing methods often lack efficiency in integrating diverse functional species into the HOF structure.

Purpose of the Study:

To present an efficient strategy for functionalizing HOFs by constructing anionic frameworks.
To develop a novel HOF material (PFC-33) incorporating a photosensitizer and a biocide for antimicrobial applications.

Main Methods:

Construction of an anionic HOF framework (PFC-33) using a porphyrin photosensitizer as the backbone and a biocide as counterions.
Investigation of ion-responsive biocide release behavior within the HOF's permanent channels.
Fabrication of polyHOF membranes by manipulating interfacial interactions via surface carboxyl groups.

Main Results:

PFC-33 demonstrated ion-responsive biocide release, leading to synergistic photodynamic and chemical antimicrobial activity.
The fabricated polyHOF membranes exhibited high stability, flexibility, and permeability.
The polyHOF membranes showed significant bacterial inhibition against Escherichia coli.

Conclusions:

The anionic framework approach provides an effective method for functionalizing HOFs with active species.
The developed PFC-33 material and its derived membranes show promise for advanced antimicrobial applications.
This study opens new avenues for the functionalization of HOF materials for diverse applications.