Fluorescence-Quenched Sensor for Trinitophenol in Aqueous Solution Based on Sulfur Doped Graphitic Carbon Nitride

Kyeong Su Min (민경수); Young-A Son (손영아); Ramalingam Manivannan; Angu Satheshkumar

doi:10.5764/TCF.2018.30.2.63

Fluorescence-Quenched Sensor for Trinitophenol in Aqueous Solution Based on Sulfur Doped Graphitic Carbon Nitride

Textile Coloration and Finishing
Abbr : Text. Color. and Finish.
2018, 30(2), pp.63-69
DOI : 10.5764/TCF.2018.30.2.63
Publisher : The Korean Society Of Dyers And Finishers
Research Area : Engineering > Fiber Engineering > Dyeing Engineering
Received : April 13, 2018
Accepted : June 18, 2018
Published : June 27, 2018

Kyeong Su Min ¹, Young-A Son ¹, Ramalingam Manivannan ¹, Angu Satheshkumar ¹

¹Chungnam National University

Accredited

ABSTRACT

In this study, we report on successful attempt towards the synthesis of sulfur self-doped g-C3N4 by directly heating thiourea in air. The synthesized materials were characterized using UV-vis spectral technique, FT-IR, XRD and TEM analysis. Further, the obtained material shows an excellent detection of carcinogenic TNP(Tri nitro phenol) in the presence of 10-fold excess of various other common interferences. The strong inner filter effect and molecular interactions(electrostatic, π-π, and hydrogen bonding interactions) between TNP and the S-g-C3N4 Nano sheets led to the fluorescence quenching of the Sg- C3N4 Nano sheets with an excellent selectivity and sensitivity towards TNP compared to that of other nitro aromatics under optimal conditions and the detection limit calculated was found to be 6.324 nM for TNP. The synthesized nanocomposite provides a promising platform for the development of sensors with improved reproducibility and stability for ultra-sensitive and selective sensing of TNP.

KEYWORDS

sulfur, g-C3N4, fluorescence, sensing, trinitophenol

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* References for papers published after 2023 are currently being built.

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Fluorescence-Quenched Sensor for Trinitophenol in Aqueous Solution Based on Sulfur Doped Graphitic Carbon Nitride

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* References for papers published after 2023 are currently being built.

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Fluorescence-Quenched Sensor for Trinitophenol in Aqueous Solution Based on Sulfur Doped Graphitic Carbon Nitride

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