A reliable sensor based on multiwalled carbon nanotubes / ۴'۴ - dihydroxybiphenyl nanolayered composite for sensing phenol

This paper reports the preparation of multiwalled carbon nanotubes/ 4,4ʹ-dihydroxybiphenyl (MWCNTs-DHB) nanolayered composite as a new modifier for modification of carbon paste electrode (CPE/ MWCNTs-DHB). CPE/ MWCNTs-DHB shows linear responses for phenol in the concentrations range of 0.04-220 μM with a current sensitivity of 0.67 µA µM-1 and a detection limit of 8.0 nM (S/N=3). The electrode shows high selectivity, good repeatability (RSD = 4.1 %), excellent reproducibility (RSD = 3.5 %), and acceptable stability (91.2 % over one-month storage). Moreover, the modified CPE exhibits appreciable recoveries (93.0 – 104.0 %) indicating its acceptable performance for determination of phenol in tap and river water samples.

A reliable sensor based on multiwalled carbon nanotubes / 4'4 - dihydroxybiphenyl nanolayered composite for sensing phenol Keywords:

Multiwalled carbon nanotubes (MWCNTs) , 4'4 -dihydroxybiphenyl (DHB) , carbon past electrode , electrochemical determination of phenol(Ph)

A reliable sensor based on multiwalled carbon nanotubes / 4'4 - dihydroxybiphenyl nanolayered composite for sensing phenol authors

Mehdi Shahbakhsh

Analytical Chemistry Research Laboratory, Department of Chemistry, University of Sistan and Baluchestan,, P.O. Box ۹۸۱۳۵-۶۷۴, Zahedan, Iran

Sabereh Narouie

Department of Chemistry, Faculty of sciences, Ferdowsi University of Mashhad, Mashhad, Iran

Gholam Hossein Rounaghi

Department of Chemistry, Faculty of sciences, Ferdowsi University of Mashhad, Mashhad, Iran

Hamideh. Saravani

Inorganic Chemistry Research Laboratory, Department of Chemistry, University of Sistan and Baluchestan,P.O. Box ۹۸۱۳۵-۶۷۴, Zahedan, Iran

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https://civilica.com/doc/1624018

Document National Code:

BCSCD01_021

Index date: 24 March 2023

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Shahbakhsh, Mehdi and Narouie, Sabereh and Rounaghi, Gholam Hossein and Saravani, Hamideh.,1401,A reliable sensor based on multiwalled carbon nanotubes / 4'4 - dihydroxybiphenyl nanolayered composite for sensing phenol,Science and Technology Development Congress of Biology and Chemistry Students,Tehran,https://civilica.com/doc/1624018

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Ranking of University of Sistan and Baluchestan

Type of center: دانشگاه دولتی

Paper count: 16,226

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