Novel porous gold-palladium nanoalloy network-supported graphene as an advanced catalyst for non-enzymatic hydrogen peroxide sensing

Lee, Joong Hee; Balamurugan, Jayaraman

doi:10.1016/j.bios.2016.05.075

Cited by 82 publications

(16 citation statements)

References 77 publications

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“…Due to their unique physicochemical properties and depending on their morphology, palladium nanoparticles (PdNPs) may find an application in catalysis (Das et al 2015 ; Gómez-Martínez et al 2015 ; Lemo et al 2006 ; Li et al 2014 ; Magdesieva et al 2014 ; Ncube et al 2015 ; Reyes-Rios and García 2012 ; Shen et al 2011 ), sensors (Chen et al 2016 ; Choi et al 2015 ; Cincotto et al 2017 ; Gupta et al 2014 ), fuel cell (Brandão et al 2010 ; Ohara et al 2009 ), and hydrogen storage (Dündar-Tekkaya and Yürüm 2016 ; Fang et al 2015 ; Faye et al 2017 ; Ma et al 2015 ; Nair et al 2015 ; Pang and Li 2016 ; Thanh et al 2016 ; Viswanathan 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Green method for efficient PdNPs deposition on carbon carrier in the microreactor system

2018

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The synthesis of palladium nanoparticles and conditions of their deposition on active carbon fibers in the microreactor was described. All processes related with metal ion reduction, nucleation, and autocatalytic growth of particles as well as their deposition were carried out in the microreactor in only one cycle. Synthesis of palladium nanoparticles was carried out under different conditions, i.e., changing the initial concentration of metal ions and the reductant, at 40 °C. Depending on the conditions imposed, the nanoparticles of different size (hydrodynamic radius change from 12 to 37 nm) and shape (spherical, cube, pyramid) were obtained. It was also shown that flow conditions allow for much more efficient Pd deposition on active carbon fibers than the process carried out in the batch. It was observed that for concentrations of Pd(II) ions higher than 0.2 mM, the degree of fiber surface coverage increased significantly in comparison with the batch process.Electronic supplementary materialThe online version of this article (10.1007/s11051-018-4337-9) contains supplementary material, which is available to authorized users.

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Section: Introductionmentioning

confidence: 99%

Green method for efficient PdNPs deposition on carbon carrier in the microreactor system

2018

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“…Furthermore, for the simultaneous preparation, a mixture of metal precursors or a bimetallic precursor can be used [9]. When the deposition of each metal is performed sequentially, several techniques can be combined [10].…”

Section: Introductionmentioning

confidence: 99%

Green preparation of PtRu and PtCu/SBA-15 catalysts using supercritical CO 2

Sánchez-Miguel

Tenorio

Morère

et al. 2017

Journal of CO2 Utilization

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“…For example, glucose oxidase can catalyze glucose to the oxidized form—gluconolactone, and the reaction process is accompanied with the consumption of oxygen as well as the liberation of hydrogen peroxide [15]. Therefore, the accurate and rapid detection of hydrogen peroxide is not only important in monitoring and decoding relevant physiological pathways for hydrogen peroxide, but also very helpful in developing enzymatic-based biosensors for other analytes of interest [23,24]. Despite a staggering number of publications on hydrogen peroxide biosensor design, the market is still far from meeting many key end-user needs [25].…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Synthesis of Polypyrrole, Reduced Graphene Oxide, and Gold Nanoparticles Composite and Its Application to Hydrogen Peroxide Biosensor

Zhao

Hou

et al. 2016

Nanomaterials

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Here we report a facile eco-friendly one-step electrochemical approach for the fabrication of a polypyrrole (PPy), reduced graphene oxide (RGO), and gold nanoparticles (nanoAu) biocomposite on a glassy carbon electrode (GCE). The electrochemical behaviors of PPy–RGO–nanoAu and its application to electrochemical detection of hydrogen peroxide were investigated by cyclic voltammetry. Graphene oxide and pyrrole monomer were first mixed and casted on the surface of a cleaned GCE. After an electrochemical processing consisting of the electrooxidation of pyrrole monomer and simultaneous electroreduction of graphene oxide and auric ions (Au3+) in aqueous solution, a PPy–RGO–nanoAu biocomposite was synthesized on GCE. Each component of PPy–RGO–nanoAu is electroactive without non-electroactive substance. The obtained PPy–RGO–nanoAu/GCE exhibited high electrocatalytic activity toward hydrogen peroxide, which allows the detection of hydrogen peroxide at a negative potential of about −0.62 V vs. SCE. The amperometric responses of the biosensor displayed a sensitivity of 40 µA/mM, a linear range of 32 µM–2 mM, and a detection limit of 2.7 µM (signal-to-noise ratio = 3) with good stability and acceptable reproducibility and selectivity. The results clearly demonstrate the potential of the as-prepared PPy–RGO–nanoAu biocomposite for use as a highly electroactive matrix for an amperometric biosensor.

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Novel porous gold-palladium nanoalloy network-supported graphene as an advanced catalyst for non-enzymatic hydrogen peroxide sensing

Cited by 82 publications

References 77 publications

Green method for efficient PdNPs deposition on carbon carrier in the microreactor system

Green method for efficient PdNPs deposition on carbon carrier in the microreactor system

Green preparation of PtRu and PtCu/SBA-15 catalysts using supercritical CO 2

Electrochemical Synthesis of Polypyrrole, Reduced Graphene Oxide, and Gold Nanoparticles Composite and Its Application to Hydrogen Peroxide Biosensor

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