Photoresponsive porous materials

Area of Science:

• Materials Science
• Nanotechnology
• Chemistry

Background:

• Molecular machines offer precise control over nanoscale motion in artificial systems.
• Integrating molecular machines into material scaffolds creates smart materials with stimulus-responsive properties.
• Porous materials like MOFs, COFs, and PAFs are promising scaffolds for such integrations.

Purpose of the Study:

• To review light-responsive porous materials, specifically MOFs, COFs, and PAFs appended with photoswitches.
• To highlight the fabrication strategies for these smart materials.
• To provide an overview of potential applications.

Main Methods:

• Literature review of light-responsive porous materials.
• Focus on metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and porous aromatic frameworks (PAFs).
• Analysis of materials appended with molecular photoswitches.

Main Results:

• Light-responsive porous materials can be fabricated by incorporating photoswitches into MOFs, COFs, and PAFs.
• These materials exhibit controlled nanoscale molecular motion in response to light.
• A broad range of such materials and their properties are discussed.

Conclusions:

• Light-responsive porous materials represent a significant advancement in smart materials.
• The integration of photoswitches into MOFs, COFs, and PAFs enables precise light-controlled functionalities.
• Potential applications span various fields, driven by the unique properties of these materials.