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Related Experiment Video

Updated: Mar 3, 2026

Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Author Spotlight: Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

Extending Unique 1D Borate Chains to 3D Frameworks by Introducing Metallic Nodes.

Qi Wei¹, Shi-Jia Sun², Jie Zhang¹

¹MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China.

Chemistry (Weinheim an Der Bergstrasse, Germany)

|April 25, 2017

Summary

Two new borate compounds with unique 1D and 3D structures were synthesized hydrothermally. These novel alkali/alkaline-earth borates exhibit high thermal stability and wide transparency, expanding structural diversity in materials science.

Keywords:

aluminoborates crystal structures hydrothermal synthesis oxoboron clusters physical chemistry

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Last Updated: Mar 3, 2026

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Published on: May 12, 2023

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Synthesis and Characterization of Functionalized Metal-organic Frameworks

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Published on: September 5, 2014

Area of Science:

Inorganic Chemistry
Materials Science
Crystallography

Background:

Borate clusters are fundamental building blocks in inorganic materials.
Hydrothermal synthesis offers a versatile route for creating novel crystalline structures.
Alkali/alkaline-earth borates are explored for diverse applications due to their tunable properties.

Purpose of the Study:

To synthesize and characterize novel alkali/alkaline-earth borates with unique structural architectures.
To investigate the structural transition from 1D chains to 3D frameworks.
To explore the potential of incorporating aluminum into borate structures for new material development.

Main Methods:

Hydrothermal synthesis for crystal growth.
Single-crystal X-ray diffraction for structural determination.
Optical diffuse reflectance spectroscopy for transparency analysis.
Thermal analysis (e.g., TGA/DSC) for thermal stability assessment.

Main Results:

Synthesis of a novel 1D borate, Ba6[B6O9(OH)6]2(H3BO3), featuring a rare hexaborate cluster chain.
Development of the first 3D aluminoborates (ABOs) with AlO6 octahedra under hydrothermal conditions.
Interpenetrated 3D framework structures in the new ABOs (Li7MAlB12O24, M=Ba, Sr, Ca).
Demonstrated wide-range transparency and high thermal stability for the 3D ABOs.

Conclusions:

Successful expansion from 1D borate chains to 3D aluminoborate frameworks.
Established a new synthetic pathway for 3D ABOs utilizing AlO6 octahedra.
The synthesized materials exhibit promising optical and thermal properties for potential applications.