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Photocatalytic reaction over iron hydroxides: A novel visible-light-responsive photocatalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
50518 46800 2011 4 PDF Available
Title
Photocatalytic reaction over iron hydroxides: A novel visible-light-responsive photocatalyst
Abstract

Photocatalytic properties of iron hydroxide (FeOOH) particles prepared by a hydrothermal method were estimated under visible-light irradiation. Hydrothermal treatment in the presence of ethanol induced α-FeOOH (goethite) formation even under an acidic condition, while the presence of chloride ion led to preferential formation of β-FeOOH (akaganeite). α-FeOOH particles with largest specific surface area showed the highest photocatalytic activity among commercial and prepared FeOOH samples and exhibited total decomposition of acetaldehyde even under visible-light irradiation. The progress of photocatalytic reaction may be due to multi-electron reduction of oxygen over FeOOH particles.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► α-FeOOH particles were prepared by a hydrothermal method in the presence of ethanol. ► α-FeOOH particles with largest specific surface area showed the highest photocatalytic activity. ► α-FeOOH particles were prepared by a hydrothermal method in the presence of ethanol. ► Higher visible-light activity of α-FeOOH was observed, compared to commercial TiO2.

Keywords
Visible-light-responsive photocatalyst; Iron hydroxide; Hydrothermal preparation
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Photocatalytic reaction over iron hydroxides: A novel visible-light-responsive photocatalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 5, 5 January 2011, Pages 341–344
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