Boosted Visible-Light Photodegradation of Methylene Blue by V and Co Co-Doped TiO₂.

ABSTRACT: In this work, TiO₂ photocatalysts, co-doped with transition metal ions vanadium (V) and cobalt (Co) ((V,Co)⁻TiO₂), were synthesized by the sol⁻gel method. The synthesized photocatalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), nitrogen adsorption and desorption measurement, UV-Vis absorption and photoluminescence spectrum (PL) spectra. The results show that V and Co co-doping has significant effects on sample average crystalline grain size, absorption spectrum, recombination efficiency of photo-induced electron-hole pairs (EHPs), and photocatalytic degradation efficiency of methylene blue (MB). (V,Co)⁻TiO₂ photocatalyst exhibits an obvious red shift of the absorption edge to 475 nm. Photocatalytic degrada

SUBMITTER: Lv T 

PROVIDER: S-EPMC6213182 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature