Selective deposition of Pt on Au nanoparticles using hydrogen presorbed into Au nanoparticles during NaBH4 treatment

Patra, Srikanta; Das, Jagotamoy; Yang, Haesik

doi:10.1016/j.electacta.2009.01.022

Cited by 24 publications

(10 citation statements)

References 46 publications

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“…These characteristic peaks indicated the presence of Pt on the core-shell nanoparticle-modified electrodes. 25 However, no such peaks were observed on the AuNP-modified electrodes (i in Figure 2). In addition, the peaks corresponding to the oxide formation and oxide reduction of Au at 1.1 and 0.72 V (i in Figure 2), respectively, were not observed on the Au@Pb@Pt nanoparticlemodified electrodes (ii in Figure 2) and the Au@Pt nanoparticle-modified electrodes (iii in Figure 2).…”

Section: Resultsmentioning

confidence: 90%

Synthesis of Trimetallic Au@Pb@Pt Core-shell Nanoparticles and their Electrocatalytic Activity toward Formic Acid and Methanol

Patra¹,

Yang²

2009

Bulletin of the Korean Chemical Society

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A facile, seed-mediated preparation method of trimetallic Au@Pb@Pt core-shell nanoparticles is developed. Au nanoparticles are the template seeds onto which sequentially reduced Pb and Pt are deposited. The trimetallic core-shell structure is confirmed by UV-Vis spectroscopy, TEM and EDS analysis, and cyclic voltammetry. The trimetallic Au@Pb@Pt core-shell nanoparticles show high electrocatalytic activity for formic acid and methanol electrooxidation.

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Section: Resultsmentioning

confidence: 90%

Synthesis of Trimetallic Au@Pb@Pt Core-shell Nanoparticles and their Electrocatalytic Activity toward Formic Acid and Methanol

Patra¹,

Yang²

2009

Bulletin of the Korean Chemical Society

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“…[53][54][55][56][57][58][59][60][61][62][63] To test the catalytic activity of the synthesised nanoparticles, standard p-nitrophenol (PNP) reduction by NaBH 4 was conducted. [53][54][55][56][57][58][59][60][61][62][63] To test the catalytic activity of the synthesised nanoparticles, standard p-nitrophenol (PNP) reduction by NaBH 4 was conducted.…”

Section: Resultsmentioning

confidence: 99%

A porous trimetallic Au@Pd@Ru nanoparticle system: synthesis, characterisation and efficient dye degradation and removal

et al. 2015

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A facile room temperature one-pot synthesis of trimetallic porous Au@Pd@Ru nanoparticles (Au@Pd@RuNPs) has been developed. The trimetallic nanoparticles have been prepared by the successive sacrificial oxidation of cobalt nanoparticles (CoNPs). The average particle size of Au@Pd@RuNPs is 110 nm. The porous nature and the presence of Au, Pd and Ru have been confirmed via TEM, FE-SEM and EDS analyses. The trimetallic nanoparticles have shown excellent catalytic activity towards the reduction of p-nitrophenol and efficient degradation of various azo dyes. This has been further extended towards the removal of colour from waste water via the catalytic degradation of azo dyes. Moreover, the produced amine can be eliminated from the waste water via its sorption on an industrial solid waste dolochar.

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“…Moreover, these methods require sophisticated instruments and trained technicians, both of which factors increase the overall production cost. Alternative comparatively uncomplicated methods of chemical attaching the nanomaterials onto a solid substrate via cross linking molecules are widely used [18,19].…”

Section: Methods For Immobilizationmentioning

confidence: 99%

Recent developments on the modification of graphite electrodes with nanoparticles

Kakhki

2016

Russ J Appl Chem

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The surface structure of common graphite electrodes are suitable for electrochemical detection of various analytes due to their favorable properties such as good conductivity and resistance to environmental and chemical hazards. Also this material is cheap and available. Modifying the surface of electrode improves their ability for various determinations. Modifying graphite electrodes with nanoparticles has attracted lots of attention due to their unique characteristics. In this article we review applications of modified graphite electrodes with nanomaterials.

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Selective deposition of Pt on Au nanoparticles using hydrogen presorbed into Au nanoparticles during NaBH4 treatment

Cited by 24 publications

References 46 publications

Synthesis of Trimetallic Au@Pb@Pt Core-shell Nanoparticles and their Electrocatalytic Activity toward Formic Acid and Methanol

Synthesis of Trimetallic Au@Pb@Pt Core-shell Nanoparticles and their Electrocatalytic Activity toward Formic Acid and Methanol

A porous trimetallic Au@Pd@Ru nanoparticle system: synthesis, characterisation and efficient dye degradation and removal

Recent developments on the modification of graphite electrodes with nanoparticles

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