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Updated: Nov 7, 2025
Facile Preparation of Ultrafine Aluminum Hydroxide Particles with or without Mesoporous MCM-41 in Ambient Environments
Published on: May 11, 2017
Synthesis, Structures, and Fluorescence Properties of Dimeric Aluminum Oxo Clusters
Xue-Zhen Zhang1, Xiao-Feng Wang2, Wei-Hui Fang1
1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
Researchers developed novel fluorescent aluminum oxo clusters (AlOCs) with distinct structures and luminescence. Modifying ligands altered cluster nuclearity and emission color, offering insights into structure-property relationships for luminescent materials.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Photochemistry
Background:
- Aluminum's role in luminescence is significant, yet well-defined fluorescent aluminum complexes are scarce.
- Developing novel luminescent materials with tunable properties is crucial for advanced applications.
Purpose of the Study:
- To synthesize and characterize novel fluorescent aluminum oxo clusters (AlOCs).
- To investigate the impact of ligand modification on cluster structure and nuclearity.
- To establish a correlation between synthesis, structural features, and fluorescence properties.
Main Methods:
- Synthesis of aluminum oxo clusters with varying aromatic ligands.
- Structural characterization using techniques like X-ray diffraction.
- Photoluminescence spectroscopy to analyze fluorescence properties.
Main Results:
- A series of AlOCs were successfully synthesized, including Al8(OH)2(μ4-O)2(1-NA)2(OEt)16 (AlOC-41) and Al10(μ3-O)2(3-HNA)2(OEt)22 (AlOC-47).
- Ligand modification led to increased cluster nuclearity and distinct structural arrangements (e.g., tetrahedral subunits).
- AlOC-41 exhibited blue fluorescence, while AlOC-47 displayed green fluorescence, demonstrating tunable luminescence.
Conclusions:
- The study presents a versatile platform for designing fluorescent AlOCs.
- Structural variations in AlOCs directly influence their luminescence characteristics.
- This work provides a foundation for developing new aluminum-based luminescent materials with tailored properties.
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