Development of fluorescent azapentalenes to study the reactivity of hypochlorous acid and chloramines in micellar systems

Pavan, Nathália Mariana; Martins, Lucas Michelão; Augusto, Laís Cristina; Silva‐Filho, Luiz Carlos da; Ximenes, Valdecir Farias

doi:10.1016/j.molliq.2022.120137

Journal of Molecular Liquids

2022

DOI: 10.1016/j.molliq.2022.120137

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Development of fluorescent azapentalenes to study the reactivity of hypochlorous acid and chloramines in micellar systems

Nathália Mariana Pavan

Lucas Michelão Martins

Laís Cristina Augusto

et al.

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Cited by 4 publications

References 63 publications

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Shedding Light on Highly Emissive 1,4‐Dihydropyrrolo[3,2‐b]pyrrole Derivatives: Synthesis and Aggregate‐Dependent Emission

Abatti,

Decarli,

Gogoc

et al. 2023

ChemPlusChem

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Three tetraaryl‐1,4‐dihydropyrrolo[3,2‐b]pyrrole derivatives containing different number of long alkoxy chains (2, 4 and 6) were synthesized, characterized and applied in Organic Light Emitting Diodes (OLEDs). The compounds showed good emission properties with Photoluminescence Quantum Yields (PLQYs) higher than 80% in solution and 50% in solid state (thin film). The solvatochromism results revealed a pronounced vibronic emission in methylcyclohexane and toluene, characterized by two distinct sharp emission peaks and a small redshift in the following order: methylcyclohexane > toluene > dichloromethane > tetrahydrofuran > acetonitrile. Also, the compounds formed aggregates with redshifted emission, which can be attributed to excimer formation. This phenomenon was observed in solutions containing 90% water and with the concentration variation in methylcyclohexane (MCH). Compounds with a greater number of peripheral chains showed the capacity to keep hexagonal columnar organization in films after fast cooling from liquid state. OLEDs fabricated with these compounds showed turn‐on voltages lower than 4.0 V, with luminance higher than 1400 cd.m2, electroluminescence spectra with Full Width at Half Maximum lower than 70 nm and maximum External Quantum Efficiency between 7.2% and 4.3%. Overall, this shows that the 1,4‐dihydropyrrolo[3,2‐b]pyrrole moiety is promising for applications where luminescence is paramount, as in organic light‐emitting devices

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Shedding Light on Highly Emissive 1,4‐Dihydropyrrolo[3,2‐b]pyrrole Derivatives: Synthesis and Aggregate‐Dependent Emission

Abatti,

Decarli,

Gogoc

et al. 2023

ChemPlusChem

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show abstract

Dual-response fluorescent probe for lipid droplets and hypochlorous acid and imaging study in inflammation and atheromatous plaques

Wang,

Yan,

Liu

et al. 2025

Journal of Molecular Structure

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A specific dual-locked fluorescence probe to visualize the dynamic changes of lipid droplets and hypochlorous acid in inflammation

Li,

Liu,

Wang

et al. 2024

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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Development of fluorescent azapentalenes to study the reactivity of hypochlorous acid and chloramines in micellar systems

Cited by 4 publications

References 63 publications

Shedding Light on Highly Emissive 1,4‐Dihydropyrrolo[3,2‐b]pyrrole Derivatives: Synthesis and Aggregate‐Dependent Emission

Shedding Light on Highly Emissive 1,4‐Dihydropyrrolo[3,2‐b]pyrrole Derivatives: Synthesis and Aggregate‐Dependent Emission

Dual-response fluorescent probe for lipid droplets and hypochlorous acid and imaging study in inflammation and atheromatous plaques

A specific dual-locked fluorescence probe to visualize the dynamic changes of lipid droplets and hypochlorous acid in inflammation

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