Bridging light and sound: A spironaphtopyran-rhodamine dyad with high-contrast photoswitching between fluorescence and photoacoustic signal

Key Points

• High-contrast photoswitching between fluorescence and photoacoustic signals was achieved.
• The dyad structure utilizes spironaphtopyran and rhodamine for effective signal conversion.
• Employing advanced techniques, the study demonstrated effective signal manipulation.
• The findings indicate a potential for enhanced imaging technologies in biomedicine.