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Visible light-induced photosensitized decomposition of organic pollutants with polymer nanocapsules encapsulating Fe(bpy)32+ complex

Paper ID Volume ID Publish Year Pages File Format Full-Text
47618 46478 2010 7 PDF Available
Title
Visible light-induced photosensitized decomposition of organic pollutants with polymer nanocapsules encapsulating Fe(bpy)32+ complex
Abstract

Cross-linked polymer nanocapsules (PC) encapsulating an iron tris(bipyridine) complex, Fe(bpy)32+@PC, have been synthesized by a ship-in-a-bottle method. This was used as a photosensitizer for the decomposition of organic pollutant in water under visible light irradiation with molecular oxygen. The Fe(bpy)32+@PC promotes efficient decomposition of organic pollutant, whereas noncapsulated Fe(bpy)32+ is inactive. The enhanced sensitization activity of Fe(bpy)32+ within PC is due to the interaction with the PC wall. This lengthens the lifetime of the excited state Fe(bpy)32+ and promotes efficient production of hydroxyl radicals. The sensitization activity of Fe(bpy)32+@PC depends on the thickness of the PC wall. The Fe(bpy)32+@PC with an appropriate PC wall thickness allows accumulation of pollutant within the PC and, hence, promotes efficient decomposition of pollutant.

Graphical abstractFe(bpy)32+ complex encapsulated within polymer nanocapsule, Fe(bpy)32+@PC, shows high photosensitization activity for decomposition of organic pollutant in water under visible light irradiation.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Polymer nanocapsule; Iron tris(bipyridine) complex; Photodecomposition; Hydroxyl radicals; Visible light
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Visible light-induced photosensitized decomposition of organic pollutants with polymer nanocapsules encapsulating Fe(bpy)32+ complex
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 93, Issues 3–4, 12 January 2010, Pages 292–298
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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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