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Title: Ba-ZnO nanoparticles for photo-catalytic degradation of chloramphenicol
Authors: Kulkarni, R.M.
Malladi, R.S.
Hanagadakar, M.S.
Shetti, N.P.
Doddamani, M.
Issue Date: 2018
Citation: AIP Conference Proceedings, 2018, Vol.1989, , pp.-
Abstract: Pristine ZnO (PZO) and 5% barium doped ZnO nanoparticles (BZONP) were prepared by in expensive chemical precipitation method. The techniques used to characterize prepared nanoparticles are X-ray powder diffraction (XRD), Energy Dispersive X-ray Spectroscopy (EDX), Scanning Electron Microscope (SEM), UV-visible absorption spectroscopy and Transmission Electron Microscope (TEM) analysis. The particle size of PZO and BZONP were calculated using Scherrer equation. The photo-catalytic efficiency of 5% BZONP was studied with photo-degradation of chloramphenicol (CLP) under UVC (254 nm) irradiation in aqueous suspension. Pseudo-first order rate constants (kobs) were found to increase with the decrease in pH. The effect of initial concentration, photo-catalyst loading, light intensity, the effect of pH on the photo-degradation rate was also examined and elaborately discussed. The results showed that BZONP is a better photo-catalyst compared PZO. The HPLC and LC/MS were used to identify photo-degradation products. � 2018 Author(s).
Appears in Collections:2. Conference Papers

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