Electronic Trap State Engineered Covalent Organic Frameworks for Programmable Selectivity of Photocatalytic Molecular Oxygen Activation

Key Points

• This research aims to establish a design principle for covalent organic framework (COF) photocatalysts by manipulating trap energy levels.
• Developed COFs with engineered trap states for photocatalytic applications.
• Analyzed the role of trap energy levels in the selectivity of reactive oxygen species.
• Enhanced selectivity of photocatalysts for reactive oxygen species was observed with engineered trap states.
• Results suggest that manipulating trap energy levels significantly improves photocatalytic efficiency.