Effect of Ceria on Phase Behavior and Photocatalytic Properties of Colloidal and Polymeric Nano-Titania

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SARPOOLAKY H.; TAJER KAJINEBAF V.; Heydari Boroujeni h.

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Journal: Journal of Metallurgical and Materials Engineering Year:2018 | Volume:30 | Issue:1 Page(s): 111-119

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Title

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. | Issue Writer Certificate

Keywords

TitaniaQ2

CeriaQ1

DopantQ2

Photocatalytic PropertiesQ2

CompositeQ2

Sol-gelQ2

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.

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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. SID. https://sid.ir/paper/196111/en

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)[Internet]. 2018;30(1 ):111-119. Available from: https://sid.ir/paper/196111/en

IEEE: Copy

H. SARPOOLAKY, V. TAJER KAJINEBAF, and h. Heydari Boroujeni, “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), vol. 30, no. 1 , pp. 111–119, 2018, [Online]. Available: https://sid.ir/paper/196111/en

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