Bent Alkyne Units as Active Sites: Structure–Activity Correlation in Graphdiyne-Inspired Polymers for Photocatalytic Hydrogen Evolution

Key Points

• To examine the relationship between the geometry of alkyne bonds and their performance in photocatalytic hydrogen evolution.
• Synthesis of graphdiyne-derived polymers
• Characterization of electronic structure
• Photocatalytic activity assessment
• Identified optimal geometry for alkyne bonds enhances hydrogen evolution rate
• Demonstrated tunable electronic properties correlate with catalytic efficiency