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Electrochemical detection of hydroquinone by graphene and Pt-graphene hybrid material synthesized through a microwave-assisted chemical reduction process

We have synthesized graphene and Pt-graphene hybrid material by a microwave-assisted chemical reduction process and evaluated their application as electrode materials towards the electrochemical detection of hydroquinone. Graphene modified glass carbon electrode (GCE) showed a good performance for d... Full description

Journal Title: Electrochimica Acta Feb 15, 2011, Vol.56(6), pp.2712-2716
Main Author: Li, Jing
Other Authors: Liu, Chun-Yan , Cheng, Chao
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0013-4686 ; DOI: 10.1016/j.electacta.2010.12.046
Link: http://search.proquest.com/docview/864412181/?pq-origsite=primo
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title: Electrochemical detection of hydroquinone by graphene and Pt-graphene hybrid material synthesized through a microwave-assisted chemical reduction process
format: Article
creator:
  • Li, Jing
  • Liu, Chun-Yan
  • Cheng, Chao
subjects:
  • Carbon
  • Electrodes
  • Electron Transfer
  • Graphene
  • Hydroquinone
  • Platinum
  • Reduction (Chemical)
  • Surface Area
  • Thin Films, Surfaces, and Interfaces (So)
  • Chemical and Electrochemical Properties (MD)
  • Chemical and Electrochemical Properties (Ep)
  • Chemical and Electrochemical Properties (Ed)
  • Chemical and Electrochemical Properties (EC)
ispartof: Electrochimica Acta, Feb 15, 2011, Vol.56(6), pp.2712-2716
description: We have synthesized graphene and Pt-graphene hybrid material by a microwave-assisted chemical reduction process and evaluated their application as electrode materials towards the electrochemical detection of hydroquinone. Graphene modified glass carbon electrode (GCE) showed a good performance for detecting hydroquinone due to the unique properties of graphene which increased the active surface area of the electrode and accelerated the electron transfer. The linear detection range of hydroquinone concentration was 20-115 [micro]M with a sensitivity of 1.38 [micro]A [micro]M[super]-1 cm[super]-2; the detection limit was estimated to be 12 [micro]M (S/N = 3). The electrocatalytic activity of the Pt-graphene modified GCE was further improved due to the enhanced electron transfer and the linear detection range was 20-145 [micro]M with the sensitivity of 3.56 [micro]A [micro]M[super]-1 cm[super]-2, detection limit 6 [micro]M (S/N = 3).
language: eng
source:
identifier: ISSN: 0013-4686 ; DOI: 10.1016/j.electacta.2010.12.046
fulltext: fulltext
issn:
  • 00134686
  • 0013-4686
url: Link


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titleElectrochemical detection of hydroquinone by graphene and Pt-graphene hybrid material synthesized through a microwave-assisted chemical reduction process
creatorLi, Jing ; Liu, Chun-Yan ; Cheng, Chao
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ispartofElectrochimica Acta, Feb 15, 2011, Vol.56(6), pp.2712-2716
identifierISSN: 0013-4686 ; DOI: 10.1016/j.electacta.2010.12.046
subjectCarbon ; Electrodes ; Electron Transfer ; Graphene ; Hydroquinone ; Platinum ; Reduction (Chemical) ; Surface Area ; Thin Films, Surfaces, and Interfaces (So) ; Chemical and Electrochemical Properties (MD) ; Chemical and Electrochemical Properties (Ep) ; Chemical and Electrochemical Properties (Ed) ; Chemical and Electrochemical Properties (EC)
descriptionWe have synthesized graphene and Pt-graphene hybrid material by a microwave-assisted chemical reduction process and evaluated their application as electrode materials towards the electrochemical detection of hydroquinone. Graphene modified glass carbon electrode (GCE) showed a good performance for detecting hydroquinone due to the unique properties of graphene which increased the active surface area of the electrode and accelerated the electron transfer. The linear detection range of hydroquinone concentration was 20-115 [micro]M with a sensitivity of 1.38 [micro]A [micro]M[super]-1 cm[super]-2; the detection limit was estimated to be 12 [micro]M (S/N = 3). The electrocatalytic activity of the Pt-graphene modified GCE was further improved due to the enhanced electron transfer and the linear detection range was 20-145 [micro]M with the sensitivity of 3.56 [micro]A [micro]M[super]-1 cm[super]-2, detection limit 6 [micro]M (S/N = 3).
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titleElectrochemical detection of hydroquinone by graphene and Pt-graphene hybrid material synthesized through a microwave-assisted chemical reduction process
descriptionWe have synthesized graphene and Pt-graphene hybrid material by a microwave-assisted chemical reduction process and evaluated their application as electrode materials towards the electrochemical detection of hydroquinone. Graphene modified glass carbon electrode (GCE) showed a good performance for detecting hydroquinone due to the unique properties of graphene which increased the active surface area of the electrode and accelerated the electron transfer. The linear detection range of hydroquinone concentration was 20-115 [micro]M with a sensitivity of 1.38 [micro]A [micro]M[super]-1 cm[super]-2; the detection limit was estimated to be 12 [micro]M (S/N = 3). The electrocatalytic activity of the Pt-graphene modified GCE was further improved due to the enhanced electron transfer and the linear detection range was 20-145 [micro]M with the sensitivity of 3.56 [micro]A [micro]M[super]-1 cm[super]-2, detection limit 6 [micro]M (S/N = 3).
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titleElectrochemical detection of hydroquinone by graphene and Pt-graphene hybrid material synthesized through a microwave-assisted chemical reduction process
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abstractWe have synthesized graphene and Pt-graphene hybrid material by a microwave-assisted chemical reduction process and evaluated their application as electrode materials towards the electrochemical detection of hydroquinone. Graphene modified glass carbon electrode (GCE) showed a good performance for detecting hydroquinone due to the unique properties of graphene which increased the active surface area of the electrode and accelerated the electron transfer. The linear detection range of hydroquinone concentration was 20-115 [micro]M with a sensitivity of 1.38 [micro]A [micro]M[super]-1 cm[super]-2; the detection limit was estimated to be 12 [micro]M (S/N = 3). The electrocatalytic activity of the Pt-graphene modified GCE was further improved due to the enhanced electron transfer and the linear detection range was 20-145 [micro]M with the sensitivity of 3.56 [micro]A [micro]M[super]-1 cm[super]-2, detection limit 6 [micro]M (S/N = 3).
doi10.1016/j.electacta.2010.12.046
urlhttp://search.proquest.com/docview/864412181/
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date2011-02-15