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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 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 ; E-ISSN: 1873-3859 ; DOI: 10.1016/j.electacta.2010.12.046
Link: https://www.sciencedirect.com/science/article/pii/S0013468610016798
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recordid: elsevier_sdoi_10_1016_j_electacta_2010_12_046
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:
  • Hydroquinone
  • Graphene
  • Pt-Graphene Hybrid Material
  • Electrochemical Detection
  • Differential Pulse Voltammetry
  • Engineering
  • Chemistry
ispartof: Electrochimica Acta, 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 μM with a sensitivity of 1.38 μA μM cm ; the detection limit was estimated to be 12 μM (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 μM with the sensitivity of 3.56 μA μM cm , detection limit 6 μM (S/N = 3).
language: eng
source:
identifier: ISSN: 0013-4686 ; E-ISSN: 1873-3859 ; DOI: 10.1016/j.electacta.2010.12.046
fulltext: fulltext
issn:
  • 0013-4686
  • 00134686
  • 1873-3859
  • 18733859
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
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subjectHydroquinone ; Graphene ; Pt-Graphene Hybrid Material ; Electrochemical Detection ; Differential Pulse Voltammetry ; Engineering ; Chemistry
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 μM with a sensitivity of 1.38 μA μM cm ; the detection limit was estimated to be 12 μM (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 μM with the sensitivity of 3.56 μA μM cm , detection limit 6 μM (S/N = 3).
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