Sonochemical synthesis of mg-doped zno nps for efficient sunlight driven photocatalysis

S. P. Meshram, P. D. Jolhe, S. D. Shingte, B. A. Bhanvase, S. H. Sonawane

Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientific

1 Citation (Scopus)

Abstract

This chapter highlights succinic acid mediated facile sonochemical method for synthesis of Mg-doped ZnO nanoparticles. The incorporation of Mg into ZnO matrix was investigated using X-ray diffraction (XRD) technique. Textural properties of as-synthesized undoped and Mg-doped ZnO samples were investigated using FESEM coupled with elemental mapping. Optical property investigations revealed that as the Mg-doping content increased up to 0.09%, the absorption edge slightly shifted to shorter wavelengths. Further increase in Mg-doping concentration (i.e., for 0.12%) experienced a shift toward higher wavelength. Additionally, reduced near band edge emission (NBE) and excitonic emission intensities were observed for the most active photocatalyst compared to undoped ZnO. Mg-doped ZnO (0.09 at%) nanoparticles (NPs) exhibited highest photocatalytic activity among all the synthesized samples and can degrade the methylene blue (MB) dye solution in merely 60 min under sunlight irradiation.

Original languageEnglish
Title of host publicationNovel Water Treatment and Separation Methods
Subtitle of host publicationSimulation of Chemical Processes
EditorsB.A. Bhanvase, R.P. Ugwekar, R.J. Mankar
Place of PublicationNew York
PublisherApple Academic Press
Pages47-60
ISBN (Electronic)978-135184676-9
ISBN (Print)978-177188578-2
DOIs
Publication statusPublished - 2017

Keywords

  • Mg-doped ZnO
  • Photocatalysis
  • Photoluminiscence
  • Sonochemical

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