Self-sensitized photodegradation and adsorption of aqueous malachite green dye using one-dimensional titanium oxide nanofilaments
Adam D. Walter, Hiba Benamor, Lucas M. Ferrer, Treesa Reji, Tracey Curran, Gregory R. Schwenk, Mohamed Hadji, Megan A. Creighton, Michel W. Barsoum
Abstract
, unlike most available titania products, via a self-sensitization effect. MG is decolorized by 1DLs by >70% in 30 min under 1 sun exposure of visible light. Counterintuitively, dye adsorption increases as the normalized concentration by mass of 1DL decreases. Demonstrating high adsorption capacity and dye mineralization supports the use of 1DLs in water treatment and self-sensitization for photoelectrochemical devices, like solar cells.
Topics & Concepts
PhotodegradationMalachite greenAdsorptionAqueous solutionTitanium oxideTitaniumChemistryOxideChemical engineeringPhotocatalysisInorganic chemistryMaterials scienceCatalysisOrganic chemistryEngineeringTiO2 Photocatalysis and Solar CellsAdvanced Photocatalysis TechniquesAdvanced Nanomaterials in Catalysis