Polymeric photocatalysts based on graphitic carbon nitride

Area of Science:

• Materials Science
• Chemistry
• Environmental Science

Background:

• Semiconductor photocatalysis is crucial for addressing global energy and pollution issues.
• Graphitic carbon nitride (g-C3N4) has emerged as a key material for visible-light photocatalysis since 2009.
• g-C3N4 based photocatalysis is a rapidly advancing research field.

Purpose of the Study:

• To review recent progress in the design and preparation of g-C3N4 based photocatalysts.
• To summarize the diverse applications of g-C3N4 based photocatalysts.
• To highlight future research directions for g-C3N4 based photocatalysis.

Main Methods:

• Fabrication and nanostructure design of pristine g-C3N4.
• Bandgap engineering via atomic doping and molecular modification.
• Preparation of g-C3N4 based semiconductor composites.

Main Results:

• Recent advancements in g-C3N4 synthesis and structural modification.
• Demonstrated efficacy of g-C3N4 in water splitting, CO2 reduction, pollutant degradation, organic synthesis, and disinfection.
• Emphasis on carbon materials, non-noble metal co-catalysts, and Z-scheme heterojunctions.

Conclusions:

• g-C3N4 based photocatalysts show significant potential for sustainable energy and environmental remediation.
• Continued research into material design and application strategies is essential.
• Future development may focus on advanced heterojunctions and co-catalyst integration.