Naphthalene-anchored ETTA-based 2D-covalent organic frameworks exhibiting restricted intramolecular rotation for fluorescence sensing of nitroaromatic compounds

Key Points

• Fluorescence sensing enabled by naphthalene-anchored frameworks reveals efficient detection of nitroaromatic compounds.
• A significant increase in fluorescence signal is observed for target compounds, indicating high sensitivity.
• Observational analysis highlights a new approach using covalent organic frameworks with restricted intramolecular rotation.
• Implications suggest potential applications in environmental monitoring of hazardous compounds, requiring further validation.