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Large-scale synthesis of β-MnO2 nanorods and their rapid and efficient catalytic oxidation of methylene blue dye

Paper ID Volume ID Publish Year Pages File Format Full-Text
53009 46895 2006 5 PDF Available
Title
Large-scale synthesis of β-MnO2 nanorods and their rapid and efficient catalytic oxidation of methylene blue dye
Abstract

Manganese dioxide (β-MnO2) nanorods have been synthesized by thermal decomposition of a template precursor of MnOOH, which was obtained by hydrothermal treatment of KMnO4 in an aqueous ethanol solution. Through X-ray diffraction and electron microscopic characterizations, the as-prepared β-MnO2 nanorods were shown to be phase-pure single crystallites with diameters of 30–400 nm and lengths of tens of micrometers. We demonstrate catalytic efficiency of the as-prepared one-dimensional β-MnO2 nanorods as catalysts in the oxidation of methylene blue dye in the presence of H2O2; the catalytic activity is much higher than that of commercial micro-sized β-MnO2 powders.

Keywords
β-MnO2; Nanorods; Catalyst; Methylene blue dye; Oxidation
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Large-scale synthesis of β-MnO2 nanorods and their rapid and efficient catalytic oxidation of methylene blue dye
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 6, June 2006, Pages 408–412
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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