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Photocatalytic degradation of Azo dyes using doped Titania fibers

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dc.contributor.advisor Gouma, Perena en_US
dc.contributor.author Shanmugasundaram, Prasad en_US
dc.contributor.other Department of Materials Science and Engineering en_US
dc.date.accessioned 2013-05-22T17:35:35Z
dc.date.accessioned 2015-04-24T14:47:27Z
dc.date.available 2013-05-22T17:35:35Z
dc.date.available 2015-04-24T14:47:27Z
dc.date.issued 2012-05-01 en_US
dc.identifier Shanmugasundaram_grad.sunysb_0771M_10908 en_US
dc.identifier.uri http://hdl.handle.net/1951/59860 en_US
dc.identifier.uri http://hdl.handle.net/11401/71409 en_US
dc.description 49 pgs en_US
dc.description.abstract Photo-catalytic degradation using semiconductor particle as dispersion in aqueous medium has been gaining increased attention over the past several years. Their versatility in application makes them unique along with their easy processing techniques and low cost. Titania semiconductor is one of the most important members of this family. It has been widely used for various applications ranging from environmental to bio-medical. Titanium dioxide has gained importance as an effective photo-catalyst because of its advantages over other semiconductor oxides which include high photo-stability, inexpensive, reusable property, chemical and biological inertness, high reactivity, non-toxicity, corrosion resistance, operation at ambient temperatures and its ability to treat trace level pollutants. Its use as a photocatalyst is primarily because of its band gap of 3.0-3.3 eV which can be effectively activated under ultraviolet radiation (wavelength &#955; < 400 nm)23 , which leads to electron jump from valence to conduction band. This project aims at developing electrospun titania fibers doped with copper in order to study and demonstrate photocatalytic activity in the visible light spectrum, resulting in quick formation of holes which are ready to react with water to form -OH radicals. A comparative study of pure titania and copper doped titania for degradation of azo dyes were carried out. SEM, EDAX, XRD were carried out to thoroughly understand the structure of the fibers. The photocatalytic activity measurements for different dyes were noted using Uv-Vis method. The fibers when fully developed will be disposable photocatalytic materials for degrading dyes, Organic pollutants and for bio-medical applications when exposed to visible light. en_US
dc.description.sponsorship This work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree. en_US
dc.format Monograph en_US
dc.format.medium Electronic Resource en_US
dc.language.iso en_US en_US
dc.publisher The Graduate School, Stony Brook University: Stony Brook, NY. en_US
dc.subject.lcsh Engineering--Materials Science en_US
dc.title Photocatalytic degradation of Azo dyes using doped Titania fibers en_US
dc.type Thesis en_US
dc.mimetype Application/PDF en_US
dc.contributor.committeemember Fortmann, Charles en_US
dc.contributor.committeemember Sokolov, Jonathan en_US

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