Benzothiadiazole‐Based Diarylamines as a Fluoride Sensor: Prevention of Fluoride Induced Decomposition of Receptor Molecule by Complex Formation with Cu2+
Abstract:Benzothiadiazole based diarylamine TBT-HH and its derivatives TBT-HN and TBT-HM, having an electron withdrawing nitro group and an electron donating methoxy group at para phenylamine position, respectively, were synthesized and used as a fluoride sensor. All the compounds show well-defined visible color changes in the presence of fluoride ion; the orange colour of TBT-HN becomes blue and the pink colored TBT-HH and TBT-HM becomes colourless. While the presence of Fred shifts the absorption maximum by 174 nm to… Show more
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