Characterization and Evaluation of the Efficiency of TiO2Zinc Phthalocyanine Nanocomposites as Photocatalysts for Wastewater Treatment Using Solar Irradiation
Joint Authors
Müller, Paulo S.
Schmücker, Martin
Velani, Hosana M. M.
Freitas, Flávio S.
Sattler, Christian
Machado, Antonio E. H.
Velani, Valdemir
Magnino, Gabriel A.
França, Marcela D.
Source
International Journal of Photoenergy
Issue
Vol. 2008, Issue 2008 (31 Dec. 2008), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2008-04-14
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
This work reports the characterization of composites prepared by the association between zinc phthalocyanine (ZnPc) and titanium dioxide.
These composites are better photocatalysts for wastewater decontamination mediated by solar radiation than pure TiO2, performance that remains even when reused.
The UV-Vis diffuse reflectance absorption spectra show for these composites two intense absorption bands.
The first covers the ultraviolet and part of the visible spectrum region until 460 nm (2.7 eV), whereas the second, nonstructured, goes from 475 nm until the near infrared with an absorption peak at 683 nm attributed to the Q band of ZnPc.
The production of additional e−/h+ pairs by these aggregates when photoexcited, their capability to act as charge carrier, the thickness and regularity of their distribution on the TiO2 surface seem to be important parameters for the performance observed for these composites.
American Psychological Association (APA)
Machado, Antonio E. H.& França, Marcela D.& Velani, Valdemir& Magnino, Gabriel A.& Velani, Hosana M. M.& Freitas, Flávio S.…[et al.]. 2008. Characterization and Evaluation of the Efficiency of TiO2Zinc Phthalocyanine Nanocomposites as Photocatalysts for Wastewater Treatment Using Solar Irradiation. International Journal of Photoenergy،Vol. 2008, no. 2008, pp.1-12.
https://search.emarefa.net/detail/BIM-987931
Modern Language Association (MLA)
Machado, Antonio E. H.…[et al.]. Characterization and Evaluation of the Efficiency of TiO2Zinc Phthalocyanine Nanocomposites as Photocatalysts for Wastewater Treatment Using Solar Irradiation. International Journal of Photoenergy No. 2008 (2008), pp.1-12.
https://search.emarefa.net/detail/BIM-987931
American Medical Association (AMA)
Machado, Antonio E. H.& França, Marcela D.& Velani, Valdemir& Magnino, Gabriel A.& Velani, Hosana M. M.& Freitas, Flávio S.…[et al.]. Characterization and Evaluation of the Efficiency of TiO2Zinc Phthalocyanine Nanocomposites as Photocatalysts for Wastewater Treatment Using Solar Irradiation. International Journal of Photoenergy. 2008. Vol. 2008, no. 2008, pp.1-12.
https://search.emarefa.net/detail/BIM-987931
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-987931