Degradation Of The Paracetamol Drug Using Lanthanum Doped...
Photocatalytic degradation of the Paracetamol drug using Lanthanum doped ZnO nanoparticles
and their in vitro Cytotoxicity assay. M.Shakira*, M.Faraza, Asif Sherwanib and Saud I. Al
Resayesc a. Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India. b.
Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India c.
Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi
Arabia. *To whom correspondence should be addressed Email:
[email protected] Phone No.
+91 9837430035 a Abstract. The doping of semiconductor by rare earth metal nanoparticles is an
effective way for increasing in photocatalytic activity. Zinc oxide and Lanthanum doped Zinc oxide
nanoparticles were synthesized by modifying the gel combustion method. It was found that La can
greatly enhance the cytotoxicity and photocatalytic activity of ZnO nanoparticles towards various
cell lines and paracetamol drug. These nanoparticles were characterized by various spectroscopic
and other techniques which clearly revealed the presence of lanthanum ions. The UV vis
spectroscopy displayed the absorption edge shifts towards the visible region after doping with La
which is extremely favorable for absorbing the visible light. We compared the enhancing effect of
La ions and found that La doped ZnO nanoparticles is more effective than ZnO nanoparticles in
promoting the generation of hydroxyl radicals, holes and the photocatalytic activity of
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