Hybrid polyoxometalates as post-functionalization platforms: from fundamentals to emerging applications

Area of Science:

• * Materials Science and Chemistry
• * Nanotechnology and Supramolecular Chemistry

Background:

• * Polyoxometalates (POMs) are stable metal-oxo nanoclusters with potential in hybrid materials.
• * Most reported hybrid-POMs lack further functionalization capabilities, limiting their versatility.
• * A small but growing class of 'post-functionalizable' hybrid-POMs enables tailored material properties.

Purpose of the Study:

• * To review the state-of-the-art in post-functionalization of hybrid-POMs.
• * To highlight key design and structural features for discovering new hybrid-POM platforms.
• * To make POM post-functionalization accessible to chemists and materials scientists.

Main Methods:

• * Literature review of existing research on hybrid-POMs and post-functionalization techniques.
• * Analysis of structural and design principles enabling post-functionalization.
• * Compilation of diverse applications showcasing the potential of these materials.

Main Results:

• * Post-functionalizable hybrid-POMs allow covalent linking of POM cores with various organic molecules and metal cations.
• * This modular approach expands physicochemical properties for targeted applications.
• * Demonstrated applications include framework materials, functional surfaces, catalysts, and light harvesting systems.

Conclusions:

• * Post-functionalizable hybrid-POMs represent a powerful modular platform for advanced materials.
• * Their tunable properties are relevant for catalysis, bioinorganic chemistry, and materials science.
• * Future research can unlock new hybrid-POM platforms and applications in diverse fields.