Fluoride-selective optical sensor based on the dipyrrolyl-tetrathiafulvalene chromophore |
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Authors: | Rivadehi Shadi Reid Ellen F Hogan Conor F Bhosale Sheshanath V Langford Steven J |
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Institution: | School of Chemistry, Monash University, Clayton, Vic-3800, Australia. |
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Abstract: | A chemosensor bearing dipyrrolyl motifs as recognition sites and a tetrathiafulvalene redox tag has been evaluated as an optical and redox sensor for a series of anions (F(-), Cl(-), Br(-), HSO(4)(-), CH(3)COO(-), and H(2)PO(4)(-)) in DCM solution. The receptor shows specific optical signaling for fluoride but little electrochemical effect in solution. The solid-state performance of the sensor leads to measurable changes in water. Design implications towards better systems based on these results and other examples are discussed. |
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