Electrocatalytic Porphyrin/Phthalocyanine-Based Organic Frameworks: Building Blocks, Coordination Microenvironments,...

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Metal-porphyrin and metal-phthalocyanine organic frameworks (POFs) are emerging metal-N-C materials with significant potential in electrocatalysis.
• Their unique metal-N4 coordination, conjugated π-electron systems, tunable properties, and stability make them attractive for energy conversion.

Purpose of the Study:

• To summarize synthesis methods, catalytic activity modulation principles, and electrocatalytic behaviors of 2D/3D POFs.
• To provide guidance for rational design and understanding structure-activity relationships in POFs for high-performance electrocatalysis.

Main Methods:

• Review of synthesis strategies for POFs.
• Analysis of methods to modulate the M-N4 active site through microenvironment engineering (metal ions, substituents, dopants).
• Consideration of topology tuning and hybrid systems to enhance conjugation and conductivity.

Main Results:

• Detailed pathways for modulating intrinsic activity of M-N4 sites are presented.
• The impact of microenvironment factors and structural modifications on POF performance is discussed.
• Representative applications in CO2 reduction, oxygen reduction, and water splitting are highlighted.

Conclusions:

• POFs offer a promising platform for developing advanced electrocatalysts.
• Further research into rational design and structure-activity relationships is crucial for unlocking their full potential.
• POFs hold significant prospects for future electrocatalytic energy conversion systems.