Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol

Abstract In this work, a novel electrochemical sensor for methanol determination was established by developing a bimetallic catalyst with superiority to a monometallic catalyst. A Cu–Pt nanocatalyst was proposed and easily synthesized by sequential electrodeposition onto a boron-doped diamond (BDD)...

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Autores principales:	Surinya Traipop, Abdulhadee Yakoh, Sakda Jampasa, Sudkate Chaiyo, Yuttanant Boonyongmaneerat, Joongjai Panpranot, Piyasan Praserthdam, Orawon Chailapakul
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5604fe92cabe4faf9a2ee0a176175728
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spelling	oai:doaj.org-article:5604fe92cabe4faf9a2ee0a1761757282021-12-02T18:30:39ZSequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol10.1038/s41598-021-92769-w2045-2322https://doaj.org/article/5604fe92cabe4faf9a2ee0a1761757282021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92769-whttps://doaj.org/toc/2045-2322Abstract In this work, a novel electrochemical sensor for methanol determination was established by developing a bimetallic catalyst with superiority to a monometallic catalyst. A Cu–Pt nanocatalyst was proposed and easily synthesized by sequential electrodeposition onto a boron-doped diamond (BDD) electrode. The successful deposition of this nanocatalyst was then verified by scanning electron microscopy and energy dispersive spectroscopy. The electrodeposition technique and sequence of metal deposition significantly affected the surface morphology and electrocatalytic properties of the Cu–Pt nanocatalyst. The presence of Cu atoms reduced the adsorption of other species on the Pt surface, consequently enhancing the long-term stability and poisoning tolerance of Pt nanocatalysts during the methanol oxidation process. This advanced sensor was also integrated with sequential injection analysis to achieve automated and high-throughput analysis. This combination can significantly improve the detection limit of the developed sensor by approximately 100 times compared with that of the cyclic voltammetric technique. The limit of detection of this sensor was 83 µM (S/N = 3), and wide linearity of the standard curve for methanol concentrations ranging from 0.1 to 1000 mM was achieved. Finally, this proposed sensor was successfully applied to detect methanol in fruit and vegetable beverage samples.Surinya TraipopAbdulhadee YakohSakda JampasaSudkate ChaiyoYuttanant BoonyongmaneeratJoongjai PanpranotPiyasan PraserthdamOrawon ChailapakulNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Surinya Traipop Abdulhadee Yakoh Sakda Jampasa Sudkate Chaiyo Yuttanant Boonyongmaneerat Joongjai Panpranot Piyasan Praserthdam Orawon Chailapakul Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
description	Abstract In this work, a novel electrochemical sensor for methanol determination was established by developing a bimetallic catalyst with superiority to a monometallic catalyst. A Cu–Pt nanocatalyst was proposed and easily synthesized by sequential electrodeposition onto a boron-doped diamond (BDD) electrode. The successful deposition of this nanocatalyst was then verified by scanning electron microscopy and energy dispersive spectroscopy. The electrodeposition technique and sequence of metal deposition significantly affected the surface morphology and electrocatalytic properties of the Cu–Pt nanocatalyst. The presence of Cu atoms reduced the adsorption of other species on the Pt surface, consequently enhancing the long-term stability and poisoning tolerance of Pt nanocatalysts during the methanol oxidation process. This advanced sensor was also integrated with sequential injection analysis to achieve automated and high-throughput analysis. This combination can significantly improve the detection limit of the developed sensor by approximately 100 times compared with that of the cyclic voltammetric technique. The limit of detection of this sensor was 83 µM (S/N = 3), and wide linearity of the standard curve for methanol concentrations ranging from 0.1 to 1000 mM was achieved. Finally, this proposed sensor was successfully applied to detect methanol in fruit and vegetable beverage samples.
format	article
author	Surinya Traipop Abdulhadee Yakoh Sakda Jampasa Sudkate Chaiyo Yuttanant Boonyongmaneerat Joongjai Panpranot Piyasan Praserthdam Orawon Chailapakul
author_facet	Surinya Traipop Abdulhadee Yakoh Sakda Jampasa Sudkate Chaiyo Yuttanant Boonyongmaneerat Joongjai Panpranot Piyasan Praserthdam Orawon Chailapakul
author_sort	Surinya Traipop
title	Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
title_short	Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
title_full	Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
title_fullStr	Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
title_full_unstemmed	Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
title_sort	sequential electrodeposition of cu–pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5604fe92cabe4faf9a2ee0a176175728
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Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol

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