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Moumi Mandal¹, Ajit Kumar Mahapatra¹, Arik Kar¹

¹Department of Chemistry, Indian Institute of Engineering Science and Technology, Shibpur, Howrah 711 103, India. akar@chem.iiests.ac.in akmahapatra@chem.iiests.ac.in.

|May 5, 2021

Summary

This summary is machine-generated.

A novel chemodosimetric sensor selectively detects toxic Boron Trifluoride (BF3) gas. This sensor offers rapid, highly sensitive detection with a portable, naked-eye recognizable system.

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Area of Science:

Analytical Chemistry
Materials Science
Chemical Sensing

Background:

Boron Trifluoride (BF3) is a toxic gas requiring sensitive detection methods.
Chemodosimetric sensors offer selective and visual detection capabilities.
Development of portable and rapid sensing technologies is crucial for environmental and industrial safety.

Purpose of the Study:

To develop and characterize a novel chemodosimetric sensor for toxic Boron Trifluoride (BF3).
To investigate the sensing mechanism and performance of the sensor.
To evaluate the sensor's potential for portable, naked-eye detection of BF3 gas.

Main Methods:

Synthesis and characterization of (E)-3-Phenyl-1-(2-(phenylethynyl) phenyl) prop-2-en-1-one as a chemodosimetric sensor.
Electronic spectral analysis to study the interaction with BF3.
NMR titration and ESI-MS techniques to elucidate the binding mechanism.
Fluorescence intensity measurements to quantify sensitivity and detection limits.

Main Results:

The sensor selectively detected BF3 gas, observable with the naked eye.
A significant 60-fold increase in fluorescence intensity was observed in under 2 minutes.
An extremely low detection limit of 6.36 × 10-10 M was achieved.
The binding mechanism was proposed based on spectroscopic and mass spectrometry data.

Conclusions:

The developed chemodosimetric sensor is highly effective for detecting toxic BF3 gas.
The sensor exhibits rapid response, exceptional sensitivity, and portability.
This technology holds promise for real-time monitoring and safety applications.