Ratiometric and colorimetric sensors for highly sensitive detection of water in organic solvents based on hydroxyl-containing polyimide-fluoride complexes

Wu, Yancheng; Ji, Jingqi; Zhou, Yubin; Chen, Zhigeng; Liu, Shumei; Zhao, Jianqing

doi:10.1016/j.aca.2020.02.043

Cited by 27 publications

(15 citation statements)

References 39 publications

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“…Besides, PI films can easily detect trace water in organic solvents, such as in CH 3 CN, acetone and EtOH, and this can simply be observed directly, without the need of any optical instruments. [124] Moreover, a fluorenone carboxylate ligand was used to form a zinc metal-organic framework material (Zn-MOF) and this Zn-MOF can serve as multifunction detector for the organic solvent nitrobenzene (NB) from other solvents, NB derivatives, such as nitrotoluene and nitrophenol, and metal ions, for example Al 3+ and Fe 3+ . [101] A turn-on fluorescent Al 3+ ion sensor was also built on a fluorenone core working via a photoinduced electron transfer mechanism.…”

Section: Sensing Applicationsmentioning

confidence: 99%

Nonlinear Optical Properties and Applications of Fluorenone Molecular Materials

Semin

Duan

et al. 2021

Advanced Optical Materials

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Fluorenone molecular materials provide an excellent platform to engineer new materials that are very promising for photonic and optoelectronic applications, such as very efficient optical second harmonic (SHG) and terahertz (THz) generation, light emitting diodes, biomarkers, solar cells, and sensors. More recently, there have been a lot of research efforts dedicated towards the nonlinear optical (NLO) properties of these fluorenone materials because of their unique combination of chemical, structural, and optical properties. This review addresses the state of the art of this very interesting and potent class of molecular materials. In particular, the NLO susceptibilities, their potential for optical SHG and THz generation and their two‐photon luminescence properties and how to optimize these by rational design are reviewed. Flexibility and easiness of modification of their molecular properties combined with their structural polymorphism enable a variety of applications. Perspectives and future research directions for these fluorenone materials are also presented.

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Section: Sensing Applicationsmentioning

confidence: 99%

Nonlinear Optical Properties and Applications of Fluorenone Molecular Materials

Semin

Duan

et al. 2021

Advanced Optical Materials

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“…Hydroxyl group‐containing polyimides 52 a – b [76] were reported for the efficient ratiometric and colorimetric sensors for moisture in organic solvents such as DMSO and DMF. UV‐Vis absorption peak for both the compounds decreases at 299 nm in the deprotonated form, with successively increasing at 325 nm.…”

Section: Deprotonation and Protonation Based Probesmentioning

confidence: 99%

Chemical Sensors for Water Detection in Organic Solvents and their Applications

Kumar

Ghosh

2021

ChemistrySelect

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Moisture or trace water detection at a very low level in organic solvents and other chemical reagents has great significance in the chemical and industrial process. At present, reports on chemical sensors for moisture are still in the early development phase and need continuous improvements. Recently, several approaches have been proposed for the easier detection of water content in the organic solvents. In this review article, we have summarized recent reports on chemical sensors used to detect water in organic solvents. The discussion is focused on optical methods, including fluorescent and colorimetric probes exploring solvatochromism, displacement of ligand or metal and water-induced protonation. Besides, water detection in organic solvents by NMR spectroscopy is also discussed. Probe structure, sensitivity with organic solvents, spectroscopy detection limits, and possible application in various other research areas, including ink-less writing, sweat pore mapping, food products and engineering materials are described in detail.

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“…Nonetheless, ongoing challenges in using such methods include the need for costly and non-portable laboratory-grade instruments to monitor such spectral changes, as well as the fact that many of these methods are not reversible. Moreover, toxicity concerns remain around the use of water-detection materials that contain heavy metals, such as mercury and cadmium ( Othong et al, 2020 ); around the use and responsible disposal of sensors composed of graphene oxide ( Chi et al, 2021 ), carbon dots ( Lee et al, 2019 ), and other carbon-based materials ( Liu et al, 2020 ); and around sensors that rely on relatively weak noncovalent interactions in the sensor construction ( Wu et al, 2020 ), and the potential for the degradation of such sensors to lead to environmental contamination ( Gao et al, 2010 ).…”

Section: Introductionmentioning

confidence: 99%

Highly Sensitive Water Detection Through Reversible Fluorescence Changes in a syn-Bimane Based Boronic Acid Derivative

et al. 2022

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Reported herein is a fluorometric and colorimetric sensor for the presence of trace amounts of water in organic solvents, using syn-bimane based boronate ester 1. This sensor responds to the presence of water with a highly sensitive turn-off fluorescence response, with detection limits as low as 0.018% water (v/v). Moreover, analogously high performance was observed when compound 1 was adsorbed on filter paper, with the paper-based sensor responding both to the presence of liquid water and to humid atmospheres. Reusability of the paper-based sensor up to 11 cycles was demonstrated, albeit with progressive decreases in the performance, and 1H NMR and mass spectrometry analyses were used to explain the observed, hydrolysis-based sensor response.

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Ratiometric and colorimetric sensors for highly sensitive detection of water in organic solvents based on hydroxyl-containing polyimide-fluoride complexes

Cited by 27 publications

References 39 publications

Nonlinear Optical Properties and Applications of Fluorenone Molecular Materials

Nonlinear Optical Properties and Applications of Fluorenone Molecular Materials

Chemical Sensors for Water Detection in Organic Solvents and their Applications

Highly Sensitive Water Detection Through Reversible Fluorescence Changes in a syn-Bimane Based Boronic Acid Derivative

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