An AIPE-active fluorinated cationic Pt(II) complex for efficient detection of picric acid in aqueous media

Based on the electron-deficient property of picric acid (PA), two neutral Ir(III) complexes 1 and 2 modified with the electron-rich carbazolyl groups were synthesized and characterized. Both 1 and 2 exhibit aggregation-induced phosphorescence emission (AIPE) properties in THF/H2O. Among them, 2 is extremely sensitive for detecting PA with a limit of detection of 0.15 μM in THF/H2O. Furthermore, the selectivity for PA is significantly higher compared to other analytes, enabling the efficient detection of PA in four common water samples. The density functional theory calculations and the spectroscopic results confirm that the sensing mechanism is photo-induced electron transfer (PET).

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An AIPE-active fluorinated cationic Pt(II) complex for efficient detection of picric acid in aqueous media

Cited by 3 publications

References 38 publications

Fluorophenyl-modified AIPE-active cationic Pt(II) complexes for detecting picric acid in aqueous media

Fluorophenyl-modified AIPE-active cationic Pt(II) complexes for detecting picric acid in aqueous media

Pyrene based AIE-active probe for selective detection of picric acid through the inner filter effect channel in aqueous medium

Carbazolyl-Modified Neutral Ir(III) Complexes for Efficient Detection of Picric Acid in Aqueous Media

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