pH-responsive fluorescent chromophores
Author Information
Author(s): Mandal Debasish, Sarkar Abani, Behera Kanhu Charan, Ravikanth Mangalampalli
Primary Institution: Indian Institute of Technology Bombay
Hypothesis
Can we design a novel class of pH-responsive, dual-state emissive chromophores using dipyrroethenes?
Conclusion
The study successfully developed pH-responsive chromophores that exhibit reversible color changes and fluorescence in response to pH variations.
Supporting Evidence
- The synthesized chromophores showed a large Stokes shift and maintained good fluorescence quantum yields.
- These chromophores demonstrated reversible colorimetric changes in response to pH variations.
- Spectroscopic techniques confirmed the structural properties and interactions of the chromophores.
Takeaway
The researchers created special color-changing materials that can glow differently depending on the acidity around them, which could be useful for sensors.
Methodology
The chromophores were synthesized through diformylation of dipyrroethenes followed by condensation with aniline derivatives, and their properties were characterized using various spectroscopic techniques.
Limitations
The study does not address the long-term stability of the chromophores in practical applications.
Digital Object Identifier (DOI)
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