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Erschienen in:
17.06.2016
Purification of organic pollutant by the novel ternary complex
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 10/2016
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Abstract
Reduced graphene oxide (rGO)–TiO2 nanotube (TNT) composites sensitized by Meso-tetra (4-carboxyphenyl) porphyrin (H2TCPP/rGO–TNT) have been synthesized successfully with improved hydrothermal and heat reflux synthesis process. The chemical structure and performances of H2TCPP/rGO–TNT composites have been characterized by TEM-EDS-SAED, DRS and XRD. The influences of both rGO and/or H2TCPP for TNT to adsorb and degrade Rhodamine-B (RhB) have been analyzed by DRS. In addition, the degradation results showed a purification of more than 93 % RhB in wastewater, which is about 4.6 times higher than that of the pure TNT. The experimental results revealed that H2TCPP/rGO–TNT own superior degradation activity. This phenomenon is due to the excellent photons-capture system of the H2TCPP, and the high photoinduced electron mobility characteristic of graphene acceptor. Thus, these materials can be employed to degrade organic pollutants, and effectively applied in wastewater quality control and its treatment.