Photocatalytic activity of ZnO composites against rhodamine B and rhodamine 6G

The development of nanostructures based on interaction of organic matrix and metal oxide particles (such as polypyrrole/zinc oxide composites) introduces interesting advantages due to synergistic/complementary photocatalytic activity of resulting material. Particularly, the available high surface ar...

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Bibliographic Details
Published in:Fibers and polymers 2015-10, Vol.16 (10), p.2177-2183
Main Authors: Nascimento, Keyte Nayara da S., de Oliveira, Mário César A., Oliveira, Patricia S., Macedo, Ericleiton R., de Oliveira, Helinando P.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Metal oxides
Particulate composites
Photocatalysis
Photocatalysts
Polymer Sciences
Polypyrroles
Rhodamine
Rhodamine 6G
Zinc oxide
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Summary:The development of nanostructures based on interaction of organic matrix and metal oxide particles (such as polypyrrole/zinc oxide composites) introduces interesting advantages due to synergistic/complementary photocatalytic activity of resulting material. Particularly, the available high surface area of resulting composite contributes with minimal aggregation of metal oxide nanoparticles and reduces the electron/hole pair recombination rate (if applied as a photocatalyst). Results indicate that superior performance is detected for composite of polypyrrole/zinc oxide applied in the photodegradation of rhodamine B and rhodamine 6G in comparison with degradation established by colloidal photocatalyst (surfactant/zinc oxide/dye). Progressive cleavage of organic dye molecule takes place in substitution to typical N-deethylation process.
ISSN:1229-9197
1875-0052
DOI:10.1007/s12221-015-5456-x