Electrochemical capacitance of nanostructured ruthenium-doped tin oxide Sn1–x Ru x O2 by the microemulsion method

Synthesis of nanostructured Ru-doped SnO2 was successfully carried out using the reverse microemulsion method. The phase purity and the crystallite size were analyzed by XRD. The surface morphology and the microstructure of synthesized nanoparticles were analyzed by SEM and TEM. The vibration mode o...

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Published in:Frontiers of materials science 2017-01, Vol.11 (4), p.385-394
Main Author: Ramanathan Saraswathy
Format: Article
Language:English
Subjects:
Capacitance
Electrochemical analysis
Electrodes
Electrons
Microemulsions
Nanoparticles
Nanostructure
Ruthenium
Tin dioxide
Vibration analysis
Vibration mode
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description Synthesis of nanostructured Ru-doped SnO2 was successfully carried out using the reverse microemulsion method. The phase purity and the crystallite size were analyzed by XRD. The surface morphology and the microstructure of synthesized nanoparticles were analyzed by SEM and TEM. The vibration mode of nanoparticles was investigated using FTIR and Raman studies. The electrochemical behavior of the Ru-doped SnO2 electrode was evaluated in a 0.1 mol/L Na2SO4 solution using cyclic voltammetry. The 5% Ru-doped SnO2 electrode exhibited a high specific capacitance of 535.6 F/g at a scan rate 20 mV/s, possessing good conductivity as well as the electrocycling stability. The Ru-doped SnO2 composite shows excellent electrochemical properties, suggesting that this composite is a promising material for supercapacitors.
doi_str_mv 10.1007/s11706-017-0396-6
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subjects Capacitance
Electrochemical analysis
Electrodes
Electrons
Microemulsions
Nanoparticles
Nanostructure
Ruthenium
Tin dioxide
Vibration analysis
Vibration mode
title Electrochemical capacitance of nanostructured ruthenium-doped tin oxide Sn1–x Ru x O2 by the microemulsion method
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