TEMPO-Mediated Aqueous Phase Electrooxidation of Pyridyl Methanol at Palladium-Decorated PANI on Carbon Fiber Paper Electrode

Agnus T. Mathew; K. B. Akshaya; T. P. Vinod; Anitha Varghese; Louis George

doi:10.1002/slct.201904432

TEMPO-Mediated Aqueous Phase Electrooxidation of Pyridyl Methanol at Palladium-Decorated PANI on Carbon Fiber Paper Electrode

Agnus T. Mathew, K. B. Akshaya, T. P. Vinod, Anitha Varghese, Louis George

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

16 Scopus citations

Abstract

Palladium nanoparticles decorated on polyaniline coated carbon fiber paper electrode (Pd-PANI/CFP) was employed for TEMPO ((2,2,6,6-tetramethylpiperidin-1-yl)oxyl) mediated electrocatalytic oxidation of pyridyl methanol to pyridyl carboxaldehyde using cyclic voltammetry in aqueous acidic media using a surfactant. The electrochemical properties of the modified electrodes were studied by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The physicochemical properties of the modified electrodes were studied using Scanning electron microscopy (SEM) with Energy dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM), Optical profilometry, X-ray diffraction (XRD) spectroscopy, Raman spectroscopy and Fourier transform infrared (FTIR) spectroscopy. Pd-PANI/CFP electrode has exhibited enhanced electrocatalytic activity towards TEMPO mediated oxidation of pyridyl methanol owing to higher electrochemically active surface area of the modified electrode. CV studies suggested higher electrochemical activity for Pd-PANI/CFP electrode when compared to PANI/CFP and bare CFP electrodes towards TEMPO mediated oxidation of pyridyl methanol.

Original language	English
Pages (from-to)	3283-3294
Number of pages	12
Journal	ChemistrySelect
Volume	5
Issue number	11
DOIs	https://doi.org/10.1002/slct.201904432
State	Published - 20 Mar 2020
Externally published	Yes

Keywords

Electroxidation
PANI
Pd nanoparticles
Pyridyl methanol
TEMPO

ASJC Scopus subject areas

General Chemistry

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title = "TEMPO-Mediated Aqueous Phase Electrooxidation of Pyridyl Methanol at Palladium-Decorated PANI on Carbon Fiber Paper Electrode",

abstract = "Palladium nanoparticles decorated on polyaniline coated carbon fiber paper electrode (Pd-PANI/CFP) was employed for TEMPO ((2,2,6,6-tetramethylpiperidin-1-yl)oxyl) mediated electrocatalytic oxidation of pyridyl methanol to pyridyl carboxaldehyde using cyclic voltammetry in aqueous acidic media using a surfactant. The electrochemical properties of the modified electrodes were studied by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The physicochemical properties of the modified electrodes were studied using Scanning electron microscopy (SEM) with Energy dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM), Optical profilometry, X-ray diffraction (XRD) spectroscopy, Raman spectroscopy and Fourier transform infrared (FTIR) spectroscopy. Pd-PANI/CFP electrode has exhibited enhanced electrocatalytic activity towards TEMPO mediated oxidation of pyridyl methanol owing to higher electrochemically active surface area of the modified electrode. CV studies suggested higher electrochemical activity for Pd-PANI/CFP electrode when compared to PANI/CFP and bare CFP electrodes towards TEMPO mediated oxidation of pyridyl methanol.",

keywords = "Electroxidation, PANI, Pd nanoparticles, Pyridyl methanol, TEMPO",

author = "Mathew, {Agnus T.} and Akshaya, {K. B.} and Vinod, {T. P.} and Anitha Varghese and Louis George",

note = "Publisher Copyright: {\textcopyright} 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

year = "2020",

month = mar,

day = "20",

doi = "10.1002/slct.201904432",

language = "English",

volume = "5",

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journal = "ChemistrySelect",

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TY - JOUR

T1 - TEMPO-Mediated Aqueous Phase Electrooxidation of Pyridyl Methanol at Palladium-Decorated PANI on Carbon Fiber Paper Electrode

AU - Mathew, Agnus T.

AU - Akshaya, K. B.

AU - Vinod, T. P.

AU - Varghese, Anitha

AU - George, Louis

PY - 2020/3/20

Y1 - 2020/3/20

N2 - Palladium nanoparticles decorated on polyaniline coated carbon fiber paper electrode (Pd-PANI/CFP) was employed for TEMPO ((2,2,6,6-tetramethylpiperidin-1-yl)oxyl) mediated electrocatalytic oxidation of pyridyl methanol to pyridyl carboxaldehyde using cyclic voltammetry in aqueous acidic media using a surfactant. The electrochemical properties of the modified electrodes were studied by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The physicochemical properties of the modified electrodes were studied using Scanning electron microscopy (SEM) with Energy dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM), Optical profilometry, X-ray diffraction (XRD) spectroscopy, Raman spectroscopy and Fourier transform infrared (FTIR) spectroscopy. Pd-PANI/CFP electrode has exhibited enhanced electrocatalytic activity towards TEMPO mediated oxidation of pyridyl methanol owing to higher electrochemically active surface area of the modified electrode. CV studies suggested higher electrochemical activity for Pd-PANI/CFP electrode when compared to PANI/CFP and bare CFP electrodes towards TEMPO mediated oxidation of pyridyl methanol.

AB - Palladium nanoparticles decorated on polyaniline coated carbon fiber paper electrode (Pd-PANI/CFP) was employed for TEMPO ((2,2,6,6-tetramethylpiperidin-1-yl)oxyl) mediated electrocatalytic oxidation of pyridyl methanol to pyridyl carboxaldehyde using cyclic voltammetry in aqueous acidic media using a surfactant. The electrochemical properties of the modified electrodes were studied by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The physicochemical properties of the modified electrodes were studied using Scanning electron microscopy (SEM) with Energy dispersive X-ray spectroscopy (EDS), Transmission electron microscopy (TEM), Optical profilometry, X-ray diffraction (XRD) spectroscopy, Raman spectroscopy and Fourier transform infrared (FTIR) spectroscopy. Pd-PANI/CFP electrode has exhibited enhanced electrocatalytic activity towards TEMPO mediated oxidation of pyridyl methanol owing to higher electrochemically active surface area of the modified electrode. CV studies suggested higher electrochemical activity for Pd-PANI/CFP electrode when compared to PANI/CFP and bare CFP electrodes towards TEMPO mediated oxidation of pyridyl methanol.

KW - Electroxidation

KW - PANI

KW - Pd nanoparticles

KW - Pyridyl methanol

KW - TEMPO

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DO - 10.1002/slct.201904432

M3 - Article

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VL - 5

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EP - 3294

JO - ChemistrySelect

JF - ChemistrySelect

IS - 11

ER -

TEMPO-Mediated Aqueous Phase Electrooxidation of Pyridyl Methanol at Palladium-Decorated PANI on Carbon Fiber Paper Electrode

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Keywords

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