Synthesis and characterization of α-Fe2O3 Micro-/Nanorods-modified glassy carbon electrode for electrochemical sensing of nitrobenzene

Arul, N.S. and Mangalaraj, D. and Kumar, P.N. and Kim, Eunju and Devi, Pooja and Han, Jeong In (2015) Synthesis and characterization of α-Fe2O3 Micro-/Nanorods-modified glassy carbon electrode for electrochemical sensing of nitrobenzene. Ceramics International, 41 (4). pp. 5568-5573. ISSN 0272-8842

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

α-Fe2O3 Micro-/Nanorods were synthesized via a co-precipitation method at room temperature. The obtained products were characterized by XRD, SEM, and BET techniques. XRD analysis showed the formation of α-Fe2O3 Micro-/Nanorods. The nitrobenzene sensing of α-Fe2O3 Micro-/Nanorods-modified glassy carbon (GC) electrode was characterized using a cyclic voltammetric (CV) electrochemical technique. The CV curves exhibited redox peaks with a detection limit of 30.4 ppb. Ip was found to be linearly co-related to nitrobenzene (NB) concentration (R2=0.9916). A substantial enhancement in cathodic peak current (C1), and sensitivity (~446 nA/µM) was observed for the α-Fe2O3 Micro-/Nanorods-modified GC electrode than those of bare electrodes.

Item Type: Article
Uncontrolled Keywords: α-Fe2O3; Micro-/Nanorods; Modified GC electrodes; Electrochemical sensing; Nitrobenzene
Subjects: CSIO > Agri - Instrumentation
CSIO > Materials Science
Depositing User: Ms. Jyotsana
Date Deposited: 09 Aug 2018 12:09
Last Modified: 09 Aug 2018 12:09
URI: http://csioir.csio.res.in/id/eprint/578

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