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Title: The photocatalytic investigation of methylene blue dye with Cr doped zinc oxide nanoparticles

The present work reports eco-friendly and cost effective sol-gel technique for synthesis of Chromium doped ZnO nanoparticles at room temperature. In this process Zinc nitrate, Chromium nitrate were used as precursor. Structural as well as optical properties of Cr induced ZnO samples were analysed by X-ray diffraction technique (XRD), SEM, PL and UV-Visible spectroscopy (UV-Vis) respectively. XRD analysis shows that the samples have hexagonal (wurtzite) structure with no additional peak which suggests that Cr ions fit into the regular Zn sites of ZnO crystal structure. By using Scherrer’s formula for pure and Cr doped ZnO samples the average grain size was found to be 32 nm. Further band gap of pure and doped ZnO samples have been calculated by using UV-Vis spectra. The photo-catalytic degradation of methyl blue dye under UV irradiation was examined for synthesized samples. The results show that the concentration plays an important role in photo-catalytic activity.
Authors:
 [1] ;  [2]
  1. School of Material Science and Nanotechnology, National Institute of Technology Kurukshetra, Haryana (India)
  2. Department of Physics, National Institute of Technology Kurukshetra, Haryana (India)
Publication Date:
OSTI Identifier:
22488818
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1675; Journal Issue: 1; Conference: AMRP-2015: 4. national conference on advanced materials and radiation physics, Longowal (India), 13-14 Mar 2015; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ABSORPTION SPECTROSCOPY; CHROMIUM IONS; CHROMIUM NITRATES; CONCENTRATION RATIO; CRYSTAL STRUCTURE; DOPED MATERIALS; GRAIN SIZE; IRRADIATION; METHYLENE BLUE; NANOPARTICLES; OPTICAL PROPERTIES; PHOTOCATALYSIS; SCANNING ELECTRON MICROSCOPY; SOL-GEL PROCESS; SYNTHESIS; ULTRAVIOLET SPECTRA; VISIBLE SPECTRA; X-RAY DIFFRACTION; ZINC NITRATES; ZINC OXIDES