Abstract
Zinc oxide has been prepared with crystallite size in nanodimension by the use of wet chemical technique. The crystalline nature of nano-ZnO with average crystallite size of 36–63 nm was confirmed by X-ray diffraction. The synthesized nano-ZnO was further characterized by ultraviolet–visible spectroscopy, Fourier transform infrared spectroscopy and energy-dispersive X-ray spectroscopy. The prominent spherical surface morphology of synthesized nano-ZnO was confirmed by scanning electron microscopy. The optical band gap of 3.12 eV was obtained for nano-ZnO. The prepared nano-ZnO were utilized for the treatment of dye as well as bacterial cultures found in aqueous phase. Excellent remediation by nano-ZnO was observed against the fast green dye and bacteria Bacillus subtilis and E. coli.
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Kumar, S., Thakur, A., Rangra, V.S. et al. Synthesis and Use of Low-Band-Gap ZnO Nanoparticles for Water Treatment. Arab J Sci Eng 41, 2393–2398 (2016). https://doi.org/10.1007/s13369-015-1852-1
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DOI: https://doi.org/10.1007/s13369-015-1852-1