In-situ synthesis of phthalocyanines on electrospun TiO2 nanofiber by solvothermal process for photocatalytic degradation of methylene blue

Abstract

Titanium dioxide/phthalocyanine (TiO2/Pc), TiO2/fluor containing phthalocyanine (TiO2/FPc) and TiO2/fluor containing cobalt phthalocyanine (TiO2/FCoPc) had been successfully fabricated by a simple combination of phthalocyanines obtained by in-situ synthesis on the surface of TiO2 nanofibers prepared by electrospinning. Scanning electron microscopy micrographs and X-ray diffraction analysis indicated that the phthalocyanines uniformly immobilized on the surface of TiO2 nanofibers. Photocatalytic activity of TiO2, TiO2/Pc, TiO2/FPc, TiO2/FCoPc nanofibers for methylene blue in water was comparatively investigated firstly by ultraviolet-visible absorption measurements with time and kinetic parameters were calculated. Results indicated that the obtained TiO2/Pc, TiO2/FPc and TiO2/FCoPc exhibited high 2 photocatalytic activity for the degradation of methylene blue and TiO2/FCoPc was found the best. It showed similar or higher activities than related studies and can be suggested a promising candidate for environmental and energy applications.

Exploring the photocatalytic and photodynamic effects of BODIPY-linked titanium dioxide nanoparticles

“…The photocatalytic performance of the bare PEI-TiO 2 NPs was evaluated through the degradation of methyl blue (MB) [ 30 , 31 ]. To conduct the photocatalytic degradation of MB by TiO 2 , an aqueous dispersion of PEI-coated TiO 2 NPs (PEI-TiO 2 NPs) (0.5 wt.%) was first prepared by subjecting them to ultrasonication for 15 min at room temperature.…”