Electron rich triphenylamine derivatives (D-π-D) for selective sensing of picric acid in aqueous media
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A series of dimethyl (linear), tetramethyl (V-shape) and hexamethyl (star like) substituted triphenyl amine derivatives were synthesized and studied their photo physical properties and aggregation induced emission.

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All the TPA derivatives were sensing for efficient and fast detection of picric acid.

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From the photophysical studies, all the TPA derivatives were strongly concentration dependent aggregation by π- π interaction and also in the solution state fluorescence study revealed that all the compounds have very binding affinity for picrate anion.

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