CNTs based Water soluble fluorescent sensor for selective detection of Fe3+ ion

Kausar Rajar; Esra Alveroglu

doi:10.1016/j.materresbull.2019.110748

CNTs based Water soluble fluorescent sensor for selective detection of Fe³⁺ ion

Kausar Rajar, Esra Alveroglu^*

^*Corresponding author for this work

Department of Physics Engineering

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Herein, a fluorescence sensor based on the fluorescence quenching phenomena was developed by the functionalization of Pyranine molecules over the surface of carbon nanotubes (Pry-CNTs) for quick, selective and sensitive detection of Fe³⁺ ion. The change in the emission along with the Fluorescence Quenching response was found linearly comparative to the Fe³⁺ ion concentration in the range of 0.1−10 μM, with the limit of detection of 0.2 μM. The Fluorescence study proved the coordination interaction between Fe³⁺ ion and Pry-CNTs lead to the recognition process. The developed fluorescence sensor is the simple and selective link for the determination of Fe³⁺ ion. The recovery of this method in the determination of Fe³⁺ ion in real water samples was found to be 99.5–100 %. This fluorescence sensor (Pyr-CNTs) can be used as a sensor for Fe³⁺ ion and promote for many applications in the environmental, chemical and biological systems.

Original language	English
Article number	110748
Journal	Materials Research Bulletin
Volume	124
DOIs	https://doi.org/10.1016/j.materresbull.2019.110748
Publication status	Published - Apr 2020

Bibliographical note

Publisher Copyright:
© 2019 Elsevier Ltd

Funding

Kausar Rajar acknowledges the fellowship support from the Scientific and Technology Research Council of Turkey (TUBITAK)-2221 Visiting Scientist Program for International Scientist. Also, we would like to Thanks Prof. Dr. Turan Ozturk (Istanbul Technical University, Chemistry Department) for FTIR measurements. Appendix A

Funders	Funder number
Scientific and Technology Research Council of Turkey
TUBITAK

Keywords

Carbon nanotube
Feion
Fluorescence sensor
Pyranine

Access to Document

10.1016/j.materresbull.2019.110748

Cite this

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title = "CNTs based Water soluble fluorescent sensor for selective detection of Fe3+ ion",

abstract = "Herein, a fluorescence sensor based on the fluorescence quenching phenomena was developed by the functionalization of Pyranine molecules over the surface of carbon nanotubes (Pry-CNTs) for quick, selective and sensitive detection of Fe3+ ion. The change in the emission along with the Fluorescence Quenching response was found linearly comparative to the Fe3+ ion concentration in the range of 0.1−10 μM, with the limit of detection of 0.2 μM. The Fluorescence study proved the coordination interaction between Fe3+ ion and Pry-CNTs lead to the recognition process. The developed fluorescence sensor is the simple and selective link for the determination of Fe3+ ion. The recovery of this method in the determination of Fe3+ ion in real water samples was found to be 99.5–100 %. This fluorescence sensor (Pyr-CNTs) can be used as a sensor for Fe3+ ion and promote for many applications in the environmental, chemical and biological systems.",

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