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Novel hybrid photosensitizers: Photoactive polymer–nanoclay

Paper ID Volume ID Publish Year Pages File Format Full-Text
28888 44102 2010 6 PDF Available
Title
Novel hybrid photosensitizers: Photoactive polymer–nanoclay
Abstract

A new type of hybrid photosensitizers was obtained by efficient adsorption of a photoactive polymer by an organically modified nanoclay. The polymer bore naphthyl and rose bengal chromophores, which absorbed light both in the ultraviolet and visible spectral region. Adsorption of the polymer on nanoclay prevented aggregation of chromophores. The obtained hybrid photosensitizer efficiently adsorbs hydrophobic compounds. It was also found to be an efficient photosensitizer in singlet oxygen generation. The hybrid photosensitizers combine the advantages of both component systems, i.e. possibility to attach a wide range of chromophores to the polymeric chain and resulting ability to photosensitize reactions, on one hand, and the ability to adsorb hydrophobic pollutants and easy separation from water characteristic of nanoclays, on the other.

Keywords
Montmorillonite; Rose bengal; Naphthyl chromophore; Polymeric photosensitizer; Singlet oxygen
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 215, Issues 2–3, 25 September 2010, Pages 223–228
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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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