Enhanced photocatalytic activity of titanium dioxide by [beta]-cyclodextrin in decoloration of Acid Yellow 99 dye
Photocatalytic decoloration of Acid Yellow 99 dye by TiO sub(2) has been investigated under different experimental conditions. Addition of [beta]-Cyclodextrin on TiO sub(2) enhanced the photoactivity of TiO sub(2) in AY99 degradation. Optimal experimental conditions on catalyst amount, pH value, ill...
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| Veröffentlicht in: | Desalination and water treatment 2014-04, Vol.52 (16-18), p.3392-3402 |
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| container_issue | 16-18 |
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| container_title | Desalination and water treatment |
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| creator | Pitchaimuthu, Sakthivel Rajalakshmi, Subramanian Kannan, Nagarathinam Velusamy, Ponnusamy |
| description | Photocatalytic decoloration of Acid Yellow 99 dye by TiO sub(2) has been investigated under different experimental conditions. Addition of [beta]-Cyclodextrin on TiO sub(2) enhanced the photoactivity of TiO sub(2) in AY99 degradation. Optimal experimental conditions on catalyst amount, pH value, illumination time, and dye concentration have been determined. The mineralization of AY99 has been confirmed by Chemical Oxygen Demand measurements. The higher photoactivity of TiO sub(2)-[beta]-CD/visible light system than TiO sub(2)/visible light system can be ascribed due to the ligand to metal charge transfer from [beta]-CD to Ti super(IV) located in an octahedral coordination environment. The complexation patterns have been confirmed with UV-Visible and FT-IR spectral data. The interactions between TiO sub(2) and [beta]-CD have been characterized by Field Emission Scanning Electron Microscopy, X-ray powder diffraction analysis, and UV-Visible diffuse reflectance spectroscopy. |
| doi_str_mv | 10.1080/19443994.2013.799049 |
| format | Article |
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Addition of [beta]-Cyclodextrin on TiO sub(2) enhanced the photoactivity of TiO sub(2) in AY99 degradation. Optimal experimental conditions on catalyst amount, pH value, illumination time, and dye concentration have been determined. The mineralization of AY99 has been confirmed by Chemical Oxygen Demand measurements. The higher photoactivity of TiO sub(2)-[beta]-CD/visible light system than TiO sub(2)/visible light system can be ascribed due to the ligand to metal charge transfer from [beta]-CD to Ti super(IV) located in an octahedral coordination environment. The complexation patterns have been confirmed with UV-Visible and FT-IR spectral data. 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| fulltext | fulltext |
| identifier | ISSN: 1944-3994 |
| ispartof | Desalination and water treatment, 2014-04, Vol.52 (16-18), p.3392-3402 |
| issn | 1944-3994 1944-3986 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1642319107 |
| source | Alma/SFX Local Collection |
| subjects | Charge transfer Decoloring Dyes Field emission Illumination Oxygen demand Photocatalysis Titanium dioxide |
| title | Enhanced photocatalytic activity of titanium dioxide by [beta]-cyclodextrin in decoloration of Acid Yellow 99 dye |
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