Sol-Gel Synthesis of TiO2/SiO2 and ZnO/SiO2 Composite Films and Evaluation of Their Photocatalytic Activity towards Methyl Green | Zendy

V.L. Chandraboss | Zendy; B. Karthikeyan | Zendy; J. Kamalakkannan | Zendy; S. Prabha | Zendy; S. Senthilvelan | Zendy

Open Access

Sol-Gel Synthesis of TiO₂/SiO₂ and ZnO/SiO₂ Composite Films and Evaluation of Their Photocatalytic Activity towards Methyl Green

Author(s) -

V.L. Chandraboss,

B. Karthikeyan,

J. Kamalakkannan,

S. Prabha,

S. Senthilvelan

Publication year - 2013

Publication title -

journal of nanoparticles

Language(s) - English

Resource type - Journals

eISSN - 2314-4858

pISSN - 2314-484X

DOI - 10.1155/2013/507161

Subject(s) - diffractometer , materials science , photocatalysis , scanning electron microscope , spectroscopy , composite number , aqueous solution , sol gel , ultraviolet visible spectroscopy , chemical engineering , visible spectrum , dip coating , thin film , nuclear chemistry , analytical chemistry (journal) , coating , composite material , nanotechnology , catalysis , organic chemistry , optoelectronics , chemistry , physics , quantum mechanics , engineering

The TiO2/SiO2 and ZnO/SiO2 composite films were prepared by sol-gel dip coating method. The surface morphology and crystal structure of thin films were characterized by means of scanning electron microscopy (SEM) with elementary dispersive X-ray analysis (EDX) and X-ray diffractometer (XRD). Optical properties of films have been investigated using ultraviolet and visible spectroscopy (UV-visible spectroscopy). The photocatalytic activity was established by testing the degradation and decolorization of methyl green (MG) from aqueous solution with artificial UV-light

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