Interfacial Photoelectrochemistry in Organic Synthesis

Area of Science:

• Heterogeneous catalysis
• Organic synthesis
• Photocatalysis

Background:

• Photoelectrodes are key in water and CO2 activation for energy research.
• Homogeneous molecular catalysts dominate complex molecule activation in organic synthesis.
• Interfacial photoelectrochemistry (iPEC) presents advantages for organic synthesis.

Purpose of the Study:

• To comprehensively collect historical and recent examples of iPEC.
• To present iPEC in a manner accessible to synthetic chemists.
• To compare different catalyst archetypes, including photoelectrodes and homogeneous photocatalysts.

Main Methods:

• Review of existing literature on iPEC.
• Discussion of surface techniques for photoelectrode fabrication.
• Conceptual comparisons of catalyst archetypes.

Main Results:

• iPEC offers benefits like catalyst cost-efficiency, reusability, and stability.
• Advantages and limitations of photoelectrodes, homogeneous photocatalysts, and dye-sensitized photoelectrodes are discussed.
• Future directions in semiconductor photoelectrode materials and substrate targets are highlighted.

Conclusions:

• iPEC is a promising technique for organic synthesis, bridging gaps in current catalytic methods.
• Further research into novel semiconductor materials and reaction targets will advance the field.
• Accessible presentation of iPEC aims to encourage broader adoption by synthetic chemists.