2010
DOI: 10.1016/j.snb.2010.07.039
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PtAu/C based bimetallic nanocomposites for non-enzymatic electrochemical glucose detection

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Cited by 94 publications
(121 citation statements)
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“…Initially, precious metals, e.g., Au and Pt, were considered the main catalysts for the electrocatalytic oxidation of glucose in an alkaline medium because of their low oxidation potential as well as high current densities. (4)(5)(6)(7) However, these electrodes suffer from carbonaceous poisoning during the oxidation process, which results in the blocking of the active site available for the reaction. (4)(5)(6)(7) Recently, research has been devoted to using nonprecious transition metal oxides such as NiO x , CoO x , and MnO x as alternative catalysts for glucose oxidation in an alkaline medium (1)(2)(3)8,9) Among the aforementioned transition metal oxides, NiO x is considered one of the most promising catalysts for glucose oxidation owing to its extremely high activity and stability as well as easy preparation in many structures.…”
Section: Introductionmentioning
confidence: 99%
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“…Initially, precious metals, e.g., Au and Pt, were considered the main catalysts for the electrocatalytic oxidation of glucose in an alkaline medium because of their low oxidation potential as well as high current densities. (4)(5)(6)(7) However, these electrodes suffer from carbonaceous poisoning during the oxidation process, which results in the blocking of the active site available for the reaction. (4)(5)(6)(7) Recently, research has been devoted to using nonprecious transition metal oxides such as NiO x , CoO x , and MnO x as alternative catalysts for glucose oxidation in an alkaline medium (1)(2)(3)8,9) Among the aforementioned transition metal oxides, NiO x is considered one of the most promising catalysts for glucose oxidation owing to its extremely high activity and stability as well as easy preparation in many structures.…”
Section: Introductionmentioning
confidence: 99%
“…(4)(5)(6)(7) However, these electrodes suffer from carbonaceous poisoning during the oxidation process, which results in the blocking of the active site available for the reaction. (4)(5)(6)(7) Recently, research has been devoted to using nonprecious transition metal oxides such as NiO x , CoO x , and MnO x as alternative catalysts for glucose oxidation in an alkaline medium (1)(2)(3)8,9) Among the aforementioned transition metal oxides, NiO x is considered one of the most promising catalysts for glucose oxidation owing to its extremely high activity and stability as well as easy preparation in many structures. (1,3) Although tremendous effort has been devoted to replacing the conventional carbon black support materials in many electrochemical technologies, e.g., polymer electrolyte membrane fuel cells (PEMFCs) and supercapacitors with large-surface-area carbon materials such as reduced graphene oxide, CNFs, and carbon nanotubes, (1,2,(9)(10)(11)(12)(13) few studies were focused on the use of CNFs for nonenzymatic glucose electrooxidation.…”
Section: Introductionmentioning
confidence: 99%
“…The interface also increases the electrochemical active surface area (ECSA) of Pt [12][13][14][15]. In area-normalized current densities, the Pt-Au alloy has a higher value than that of pure Pt particles [14,16]. Mott et al investigated the synergistic activity of Pt-Au alloy nanoparticle catalysts in DMFCs [14].…”
Section: Introductionmentioning
confidence: 99%
“…Most glucose biosensors are based on the glucose oxidase (GOD) enzyme, which is the catalyst used in the reaction, because the GOD enzyme is relatively inexpensive and has high bioactivity and good stability (Kuila et al 2011). Glucose biosensors with enzymes as their molecular recognition components provide many advantages, such as high selectivity and sensitivity (Singh et al 2010). Recently, graphene (GR) has been predicted to be an effective enzyme immobilization matrix in the construction of glucose biosensors due to its excellent electronic properties as a redox center of several enzymes for electrodes (Choi et al 2011;Zhong et al 2013).…”
Section: Introductionmentioning
confidence: 99%