Sensor Properties of Pristine and Functionalized Carbon Nanohorns. Issue 10 (6th October 2016)

• Record Type: Journal Article
• Authors: Valentini, Federica; Ciambella, Elena; Boaretto, Aldrei; Rizzitelli, Giuseppe; Carbone, Marilena; Conte, Valeria; Cataldo, Franco; Russo, Valeria; Casari, Carlo Spartaco; Chillura‐Martino, Delia Francesca; Caponetti, Eugenio; Bonchio, Marcella; Giacalone, Francesco; Syrgiannis, Zois; Prato, Maurizio
• Is Part Of: Electroanalysis. Volume 28:Issue 10(2016)
• Page Start: 2489
• Page End: 2499
• Publication Date: 2016-10-06
• Subjects: Single-Wall -- Carbon Nanohorns -- Screen Printed Electrodes; Electrochemical analysis -- Periodicals; Chemistry, Analytical -- Periodicals; Electrochemistry -- Periodicals; 543.4
• DOI: 10.1002/elan.201501171
• Languages: English
• ISSNs: 1040-0397

Abstract

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. Abstract :