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Updated: Feb 1, 2026
11:27
Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
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Electron Donor Regulation in A-D-A Type Metal-Organic Frameworks for Enhancing Visible-Light Driven Photocatalysis
Mingxue Shao1, Huadong Guo1, Chunyu Liu1
1College of Chemistry, Changchun Normal University. Changchun 130032, China.
Inorganic Chemistry
|January 31, 2026
Summary
We developed novel Metal-Organic Frameworks (MOFs) with tunable donor-acceptor systems. These MOFs enhance charge separation for efficient photocatalytic aerobic oxidation reactions.
Area of Science:
- Materials Science
- Photocatalysis
- Organic Chemistry
Background:
- Efficient charge separation is crucial for reactive oxygen species (ROS) generation in photocatalysis.
- Metal-organic frameworks (MOFs) offer tunable donor-acceptor (D-A) systems for controlling photoexcited carrier dynamics.
Purpose of the Study:
- To design and synthesize novel UiO-68 type MOFs with tailored D-A linkers.
- To investigate the effect of donor unit modification on charge separation and photocatalytic activity.
Main Methods:
- Synthesis of UiO-68-A-D-A MOFs using linearly bridged bis-benzothiadiazole linkers.
- Experimental characterization and density functional theory (DFT) calculations.
- Evaluation of photocatalytic activity in visible-light driven aerobic oxidation of benzylamines.
Main Results:
- Regulating donor units (benzene, naphthalene, anthracene) enhanced photogenerated charge separation and ROS generation.
- Anthracene-containing UiO-68-A-D3-A exhibited superior performance in benzylamine oxidation.
- DFT calculations confirmed improved charge separation with enhanced donor strength.
Conclusions:
- Linker engineering in MOFs is a viable strategy for developing efficient photocatalysts.
- Tuning electronic properties of D-A units in MOFs optimizes photocatalytic activity.
- The developed MOFs show promise for visible-light driven organic transformations.
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