Research Progress on Fluorene-Based Covalent Organic Frameworks and Metal-Organic Frameworks.

Area of Science:

• Materials Science
• Organic Electronics
• Nanotechnology

Background:

• Flexible electronics rely on organic materials, but face limitations like low carrier mobility and poor stability.
• Covalent organic frameworks (COFs) and metal-organic frameworks (MOFs) offer promising solutions with their tunable structures and inorganic-like optoelectronic properties.
• Fluorene-based organic semiconductors are crucial for flexible devices, but their integration into high-dimensional frameworks is an emerging area.

Purpose of the Study:

• To review fluorene-based COFs and MOFs for accelerating flexible electronics and organic intelligence.
• To explore the synthesis, characterization, and applications of these advanced materials.
• To identify challenges and opportunities for high-performance flexible electronic applications.

Main Methods:

• Summarizing topological designs and synthesis strategies for fluorene-based COFs and MOFs.
• Reviewing characterization techniques for these materials.
• Compiling applications in adsorption, sensing, photocatalysis, and electrocatalysis.

Main Results:

• Fluorene incorporation into COFs and MOFs demonstrates potential for superior performance in flexible electronics.
• These materials exhibit inorganic-like optoelectronic behaviors.
• Successful applications demonstrated in adsorption, sensing, photocatalysis, and electrocatalysis.

Conclusions:

• Fluorene-based COFs and MOFs are key to advancing flexible electronics and organic intelligence.
• Future research should focus on improving scalability and carrier mobility.
• These materials offer significant opportunities for next-generation electronic devices.