Document Details
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Document Type |
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Thesis |
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Document Title |
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Synthesis and Characterization of P/TiO2-SiO2 Nanoparticles Photocatalyst for Photodegradation of Organic Dye تحضير وتوصيف جزيئات الفسفور المحملة على التيتانيا -سليكا النانومترية للتخلص الحفزي الضوئي من الصبغة العضوية |
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Subject |
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Faculty of Sciences |
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Document Language |
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Arabic |
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Abstract |
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TiO2-SiO2 have been successfully synthesized through sol-gel method and characterized by XRD, SEM, UV-vis measurements and Specific surface area (BET).
Different factors which affect the properties of the TiO2-SiO2 such as Ti/Si molar ratio, calcination time, calcination temperature, template/ tetraethylorthosilicate (TEOS) molar ratio, acid / TEOS molar ratio, isopropanol / TEOS molar ratio, water/ TEOS molar ratio were studied to determine the optimum conditions for preparing TiO2-SiO2. The application of synthesized nanocomposite for the photodegradation of direct blue dye was investigated under UV and visible light. The optimum conditions for preparing TiO2-SiO2 are Ti/Si molar ratio 0.4, Calcination time 5 h, Calcination temperature 450 °C, Template / TEOS molar ratio 0.2, Isopropanol/ TEOS molar ratio 0.8, acid / TEOS molar ratio 0.3, H2O/TEOS molar ratio 36.
P doped TiO2-SiO2 have been successfully synthesized through sol-gel method 0.5 P-TiO2-SiO2, 1.0 P-TiO2-SiO2, 1.5 P-TiO2-SiO2 and 2.0 P-TiO2-SiO2 and characterized by X-ray diffraction (XRD), X-ray photoelectron spectrometer (XPS), FT-IR, Scanning electron microscope (SEM), Photoluminescence (Pl) emission spectra, UV-vis measurements and (BET).
The optimum molar ratio for preparing P-doped TiO2-SiO2 is P and Ti 1.5:100. for the photo degradation of direct blue dye under visible light which increased photocatalytic activity to 100 %. |
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Supervisor |
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Prof. Dr. Elham Aazam |
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Thesis Type |
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Master Thesis |
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Publishing Year |
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1438 AH
2016 AD |
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Co-Supervisor |
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Prof. Dr. Reda Mohamedy Mohammed |
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Added Date |
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Thursday, December 22, 2016 |
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Researchers
| زينب عبد المهيمن الدباغ | Aldabbagh, Zainab Abdulmohaimen | Researcher | Master | |
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