Sensor Properties of Pristine and Functionalized Carbon Nanohorns

Delia Francesca Chillura Martino, Francesco Giacalone, Eugenio Caponetti, Zois Syrgiannis, Giuseppe Rizzitelli, Elena Ciambella, Valeria Russo, Maurizio Prato, Aldrei Boaretto, Giuseppe Rizzitelli, Valeria Conte, Carlo Spartaco Casari, Marcella Bonchio, Marilena Carbone, Franco Cataldo, Federica Valentini

Risultato della ricerca: Articlepeer review

11 Citazioni (Scopus)

Abstract

Nanodispersions of pristine single-wall carbon nanohorns (i.e., p-SWCNHs) and oxidized-SWCNHs (i.e.; o-SWCNHs) were used to modify screen printed electrode (SPE). p-SWCNHs and o-SWCNHs were fully characterized by using several analytical techniques, as: HR-TEM (High Resolution-Transmission Electron Microscopy), FE-SEM/EDX (Field Emission-Scanning Electron Microscopy/Energy Dispersive X-ray Analysis), Raman spectroscopy, thermogravimetric analysis, differential thermal analysis (DTA), and the Brunauer-Emmett-Teller (BET) method. The chemically modified SPEs were also characterized with Cyclic Voltammetry (CV), using several different electro-active targets. In all cases, p-SWCNHs showed better performances than those obtained for o-SWCNHs as well as with respect to conventional Glassy Carbon (GC) electrodes, in terms of peak currents, significant shift at lower redox-potential ranges and enhanced heterogeneous apparent kinetic constants.
Lingua originaleEnglish
pagine (da-a)2489-2499
Numero di pagine11
RivistaElectroanalysis
Volume28
Stato di pubblicazionePublished - 2016

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Electrochemistry

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