A new application of functionalized platinum nanoparticles as chemiresistor coating

Hosseini, M. Reza; Jamalabadi, Hoda; Najafi, Mostafa

doi:10.1016/j.measurement.2013.04.070

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Cited by 7 publications

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“…Pt nanoparticles stabilized with 11-mercaptoundecanoic acid were developed for the detection of volatile organic compounds (VOCs) [30]. …”

Section: Introductionmentioning

confidence: 99%

Functionalized platinum nanoparticles with surface charge trigged by pH: synthesis, characterization and stability studies

Testa

Fontana

Venditti

et al. 2016

Beilstein J. Nanotechnol.

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In this work, the synthesis and characterization of functionalized platinum nanoparticles (PtNPs) have been investigated. PtNPs were obtained by a wet redox procedure using 2-diethylaminoethanethiol hydrochloride (DEA) as capping agent. By varying the Pt/thiol molar ratio, monodispersed and stable particles with diameters in the range of 3–40 nm were isolated. The amino functionality allows neutral particles to be obtained in basic water solution and positive charged nanoparticles in neutral or acidic water solution (pH 7–2), as confirmed by DLS and ζ-potential measurements. FTIR spectroscopy, FE-SEM, DLS and ζ-potential measurements confirmed the size and showed long term water stability (up to three months) of the colloidal system.

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“…Pt nanoparticles stabilized with 11-mercaptoundecanoic acid were developed for the detection of volatile organic compounds (VOCs) [30]. …”

Section: Introductionmentioning

confidence: 99%