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Polyol-made Mn3O4 nanocrystals as efficient Fenton-like catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
41916 45904 2010 8 PDF Available
Title
Polyol-made Mn3O4 nanocrystals as efficient Fenton-like catalysts
Abstract

Nanosized Mn3O4 single crystals are prepared using the polyol method and characterized with powder X-ray diffraction, transmission electron microscopy and physisorption experiments. Depending on the reaction time, either oval-like nanocrystals with a mean TEM size of 7.9 nm or rhomboedron-like particles with a mean TEM size of 12.6 nm are isolated. These particles are active towards the decomposition of aqueous hydrogen peroxide at room temperature and the data show that the reaction kinetics depend on the particle size and shape. The degradation of a model substrate, methylene blue is also investigated.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (97 K)Download as PowerPoint slideResearch highlights▶ Mn3O4 nanocrystals with different size and shape are prepared using the polyol process. ▶ There are active towards the degradation of H2O2via well-known Fenton reactions. ▶ The degradation of methylene blue is effective with the Mn3O4 particles. ▶ The particles can be recycled without loss of activity.

Keywords
Mn3O4; Nanomaterials; Polyol; Hydrogen peroxide; Fenton chemistry
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 386, Issues 1–2, 30 September 2010, Pages 132–139
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
Online Support
Any Questions? feel free to contact us