Please use this identifier to cite or link to this item: https://idr.nitk.ac.in/jspui/handle/123456789/12020
Title: Microwave assisted growth of stannous ferrite microcubes as electrodes for potentiometric nonenzymatic H2O2 sensor and supercapacitor applications
Authors: Bindu, K.
Sridharan, K.
Ajith, K.M.
Lim, H.N.
Nagaraja, H.S.
Issue Date: 2016
Citation: Electrochimica Acta, 2016, Vol.217, , pp.139-149
Abstract: Electrochemical sensors and supercapacitors are two noteworthy applications of electrochemistry. Herein, we report the synthesis of SnFe2O4 microcubes and Fe2O3 nanorods through a facile microwave assisted technique which are employed in fabricating the electrodes for nonenzymatic hydrogen peroxide (H2O2) sensor and supercapacitor applications. SnFe2O4 microcubes exhibited an enhanced specific capacitance of 172 Fg?1 at a scan rate of 5 mVs?1 in comparison to Fe2O3 nanorods (70 Fg?1). Furthermore, the H2O2 sensing performance of the fabricated SnFe2O4 electrodes through chronopotentiometry studies in 0.1 M PBS solution (at pH 7) with a wide linear range revealed a good sensitivity of 2.7 mV ?M?1 ?g?1 with a lowest detection limit of 41 nM at a signal-to-noise ratio of 3. These results indicate that SnFe2O4 microcubes are excellent materials for the cost effective design and development of efficient supercapacitors as well as nonenzymatic sensors. 2016 Elsevier Ltd
URI: http://idr.nitk.ac.in/jspui/handle/123456789/12020
Appears in Collections:1. Journal Articles

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