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Surfactant stabilized nanopetals morphology of α-MnO2 prepared by microemulsion method

Devaraj, S and Munichandraiah, N (2008) Surfactant stabilized nanopetals morphology of α-MnO2 prepared by microemulsion method. In: Journal of Solid State Electrochemistry, 12 (2). pp. 207-211.

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Abstract

α-Manganese dioxide is synthesized in a microemulsion medium by a redox reaction between KMnO4 and MnSO4 in presence of sodium dodecyl sulphate as a surface active agent. The morphology of MnO2 resembles nanopetals, which are spread parallel to the field. The material is further characterized by powder X-ray diffraction, energy dispersive analysis of X-ray, and Brunauer–Emmett–Teller surface area. Supercapacitance property of α-MnO2 nanopetals is studied by cyclic voltammetry and galvanostatic charge–discharge cycling. High values of specific capacitance are obtained.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Springer.
Keywords: Manganesedioxide;Microemulsion;Nanopetals;Supercapacitor;Cyclic voltammetry.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 04 Jun 2010 09:00
Last Modified: 19 Sep 2010 05:58
URI: http://eprints.iisc.ernet.in/id/eprint/26727

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