Abstract
One dimensional (1D) WO3 nanorod (WR)/TiO2 nanotube (TN) composites were fabricated by employing a simple impregnation method for the photodegradation of methylene blue (MB), where WRs and TNs were synthesized by the hydrothermal method and rapid breakdown anodization, respectively. As a comparative study for the photodegradation process, nanocomposites of WRs/TiO2 Degussa P-25 nanoparticles (TPs) were prepared utilizing the same impregnation approach. X-ray diffraction studies confirm the structure of WO3 and TiO2 to be monoclinic and anatase, respectively. Morphological studies revealed the formation of 1D nanocomposite with a mesoporous surface having an increased presence of hydroxyl groups, as indicated by Brunauer–Emmett–Teller and electron paramagnetic resonance analyses. Ultraviolet–diffuse reflectance spectroscopy and photo luminescence profiles displayed a bathochromic shift in wavelength along with a reduction in the electron hole pair recombination rate, signifying the activation of the nanoco...
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