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Synthesis of Sm2(Wo4)3 Nanocrystals Via a Statistically Optimized Route and Their Photocatalytic Behavior Publisher



Pourmortazavi SM1 ; Rahiminasrabadi M2, 3 ; Aghazadeh M4 ; Ganjali MR5, 6 ; Karimi MS7 ; Norouzi P5, 6
Authors
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Authors Affiliations
  1. 1. Faculty of Material and Manufacturing Technologies, Malek Ashtar University of Technology, Tehran, Iran
  2. 2. Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
  3. 3. Nano-Science Center, Imam Hossein University, Tehran, Iran
  4. 4. Nuclear Science and Technology Research Institute (NSTRI), PO Box 14395-834, Tehran, Iran
  5. 5. Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran
  6. 6. Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  7. 7. Faculty of Chemistry and Chemical Engineering, Malek Ashtar University of Technology, Tehran, Iran

Source: Materials Research Express Published:2017


Abstract

The application of aTaguchi approach to the optimization of the precipitation reaction between Sm3+ andWO4-2 as a rapid procedure for the preparation of Sm2(WO4)3 nanoparticles as aphotocatalyst isevaluated.The effect of the prominent operating factors on the product areevaluated so as to yield the best synthesis conditions, leading to the finest product particles of the desired morphologies,which can turn the rather primitive precipitation reaction into a powerful tool for the preparation of nanostructured crystals of insoluble salts.The effects of the alteration of the studied factors on the final properties of the product arefurther evaluated through characterization techniques, including x-ray diffraction, energydispersive x-ray analysis, scanning electronmicroscopy, transmissionelectronmicroscopy andFourier transforminfrared spectroscopy. The results of the study, together with the analysis of variance operations, revealed that through the control of samarium and tungstate concentrations, and temperature, considerable results can be achieved in terms of the product dimensions,morphology,purity and structure.Moreover, the photocatalytic behavior of the synthesized samarium tungstate nanoparticles for the photocatalytic degradationofmethyleneblueunderultraviolet light is investigated andcomparedwith titaniumdioxide as awell-known photocatalyst. © 2017 IOP Publishing Ltd.
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