Abstract
AbstractFluorescent electroactive polymers possess good transduction properties and are used as active materials for sensors. Here, a fluorescent conjugated copolymer has been synthesized from dipyrromethane and p‐phenylenevinylene as the monomers, and characterized for its optical and sensing properties. Absorption and emission analyses in various solvents have shown that the polymer exhibits excellent solvatochromism. A DFT method has been used to predict the bandgap as well as the electron distributions in HOMO and LUMO levels. The interaction of the polymer with selected metal ions has been studied in different solvents and the change in emission with concentration of the analyte has been determined. It has been observed that the polymer has a significant affinity towards Fe2+, Fe3+ and Co2+ ions with high Stern‐Volmer quenching constants. Overall, this work has demonstrated that the polymer synthesized has a potential application as a heavy metal ion turn‐off sensor.
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