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Journal:   JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)   2018 , Volume 30 , Number 1 ; Page(s) 111 To 119.
 
Paper: 

Effect Of Ceria On Phase Behavior And Photocatalytic Properties Of Colloidal And Polymeric Nano-Titania

 
 
Author(s):  Sarpoolaky H.*, Tajer Kajinebaf V., Heydari Boroujeni H.
 
* 
 
Abstract: 
Titania is one of the best-known photo-catalysts. Its photocatalytic properties can be improved by coating on silica spheres and using an additive. In this study, titania sol was separately synthesized by colloidal and polymeric methods. Titanium tetra-isopropoxide, isopropanol, cerium nitrate, deionized water; nitric acid and chloride acid were used as precursors for the preparation of titania sols. Cerium-doped titania sols were prepared with Ce/Ti molar ratios of 0. 05, 0. 1 and 0. 15 using two different methods and then their properties were investigated. The properties of the samples were evaluated using X-ray diffraction and scanning electron microscopy. The photocatalytic activity of titania-ceria composites was evaluated using methylene blue photo-degradation by ultraviolet waves. Removal ability of methylene blue from aqueous solution was also determined by ultraviolet spectroscopy. According to the results, the titania-ceria composites synthesized through the polymeric method showed better photocatalytic activity than the pure titania. Photocatalytic efficiency increased from 67. 39% for pure polymeric titania to 81. 39% for cerium-doped polymeric titania with a molar ratio of Ce/Ti equal to 0. 05. The photocatalytic efficiency of samples with Ce/Ti molar ratio of 0. 1 and 0. 15 was calculated to be 80. 25% and 79. 34%, respectively. Also, the colloidal titania-ceria composites exhibited more photocatalytic activity than pure titania in the early stages of radiation.
 
Keyword(s): Titania,Ceria,Dopant,Photocatalytic Properties,Composite,Sol-gel
 
 
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APA: Copy

SARPOOLAKY, H., & TAJER KAJINEBAF, V., & Heydari Boroujeni, h. (2018). Effect of Ceria on Phase Behavior and Photocatalytic Properties of Colloidal and Polymeric Nano-Titania. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 30(1 ), 111-119. https://www.sid.ir/en/journal/ViewPaper.aspx?id=667006



Vancouver: Copy

SARPOOLAKY H., TAJER KAJINEBAF V., Heydari Boroujeni h.. Effect of Ceria on Phase Behavior and Photocatalytic Properties of Colloidal and Polymeric Nano-Titania. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING). 2018 [cited 2022May21];30(1 ):111-119. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=667006



IEEE: Copy

SARPOOLAKY, H., TAJER KAJINEBAF, V., Heydari Boroujeni, h., 2018. Effect of Ceria on Phase Behavior and Photocatalytic Properties of Colloidal and Polymeric Nano-Titania. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), [online] 30(1 ), pp.111-119. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=667006.



 
 
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