Photocatalytic performance of TiO2@SiO2 nanocomposites for the treatment of different organic dyes

  • Shimaa Nabih
  • Ahmed Esmail ShalanEmail author
  • Esraa Samy Abu Serea
  • Mona A. Goda
  • Mohamed Fathi Sanad


Photocatalytic degradation of pollutant using TiO2@SiO2 nanocomposites (NCs) is a well route for the treatment of the organic waste in aquatic life. The recent work focuses on the removal of many organic dyes like methylene blue, eosin and safranin and study the pollutant degradation of them using the activity and high efficiency of titania as well as nanostructured titania@silica. The impregnation of silica with anatase-type TiO2 was carried out through a sol–gel way. The obtained powders were checked and characterized using N2 adsorption–desorption complete isotherm at low temperature, BET, FESEM, XRD, PL, UV–Vis spectroscopy, diffuse reflectance spectra and the photocatalytic activity to attain the homogeneity distribution of the nanostructure particles inside the matrix. TiO2@SiO2 material displayed good photocatalytic properties compared to a pure titania. Different parameters as the type of the photocatalyst, pH of solution, amount of the photocatalyst and adsorption were studied. In addition, reusability for dye removal under consecutive cycles was also investigated. Photocatalytic activity and the excellent properties of the TiO2@SiO2 NCs displayed that these materials can consider being good candidate considered in water treatment applications.



British University in Egypt is appreciated by the authors for its assistance to follow up this study. Furthermore, the technical service units of Central Laboratory, Cairo University as well as CMRDI are also gratefully gratitude.


No contending financial interest proclaim by the authors.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Basic Science DepartmentModern Academy for Engineering and TechnologyMaadiEgypt
  2. 2.Advanced Materials Division, Electronic & Magnetic Materials DepartmentCentral Metallurgical Research and Development Institute (CMRDI)Helwan, CairoEgypt
  3. 3.Chemistry & Biochemistry Department, Faculty of ScienceCairo UniversityCairoEgypt
  4. 4.Chemistry Department, Faculty of ScienceCairo UniversityCairoEgypt
  5. 5.Basic Science DepartmentBritish University in EgyptEl-Sherouk City, CairoEgypt

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