Wavelength-Based luminescence sensing via Turn-On responses for acid detection in complex Environments.

Spectrochim Acta A Mol Biomol Spectrosc

School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, P. R. China. Electronic address:

Published: February 2025

One possible way to address the shortcomings of current acid detection is to add fluorescence detection capabilities, however, there is little data regarding wavelength-based luminescence sensing, which makes possible for the naked eye to perceive various colors through wavelength variations. In this paper, we achieved turn-on response and wavelength-based luminescence sensing on acids detection by using donor-accepter complex Fe-L, which display significant fluorescence discoloration in the presence of a wide range of inorganic and organic acids, including benzoic acids, providing the fluorescence response for a more intuitive and convenient acid detection. The simultaneous achievement of fluorescence enhancement and color change as the acid concentration changes enables visual detection of the acid concentration, which provides a foundation for future research into convenient detection methods for various types of acids.

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Source
http://dx.doi.org/10.1016/j.saa.2024.125187DOI Listing

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