Michael J. Grant, Anderson Hoff, Loren G. Kaake and Gregory C. Welch
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Flexible dual-action colorimetric-electronic amine sensors based on N-annulated perylene diimide dyes†
We report the synthesis and characterization of two new molecules based on the N-annulated perylene diimide (PDIN-H) dye, modified with an octyl sulfide or octyl sulfone group. The octyl sulfone group increases electron affinity of the PDI core for higher sensitivity to amine detection in both solution and film, which was validated by using a flexible electronic sensing platform towards n-butylamine detection.
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