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Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini

Photodegradation has been considered one of the most effective ways to remove organic dyes from wastewater. As one of the semiconductor materials, TiO2 has shown tremendous potential due to its chemical stability and good photocatalytic efficiency. The catalysts' crystalline information, morpho...

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Main Author: Arini , Izzataddini
Format: Thesis
Published: 2024
Subjects:
TP Chemical technology
Online Access:http://studentsrepo.um.edu.my/15400/2/Arini_Izzataddini.pdf
http://studentsrepo.um.edu.my/15400/1/Arini_Izzataddini.pdf
http://studentsrepo.um.edu.my/15400/
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spelling my.um.stud.154002024-09-01T22:46:17Z Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini Arini , Izzataddini TP Chemical technology Photodegradation has been considered one of the most effective ways to remove organic dyes from wastewater. As one of the semiconductor materials, TiO2 has shown tremendous potential due to its chemical stability and good photocatalytic efficiency. The catalysts' crystalline information, morphology, and optical properties were studied using Fourier Transform Infrared (FTIR), X-ray diffraction (XRD), Raman, TEM, and UV-visible absorption spectroscopy. In this research, the photocatalytic activity of five types of photocatalyst; TiO2 P25, TiO2 (001), Graphene Oxide (GO), TiO2 P25/GO, and TiO2 (001)/GO—was studied by the degradation of methylene blue, rhodamine b, crystal violet, and a mixture of the three dyes above in an aqueous medium under visible light and different contact time variations. This semiconductor/carbon composite material has excellent potential for removing organic stains and is applicable in water purification. The photocatalytic experiment showed that TiO2 (001)/GO nanocomposites performed the highest photodegradation activity. The removal rates are 95%, 92%, 94%, and 87% for the photodegradation of methylene blue, rhodamine b, crystal violet, and a mix of the three dyes, respectively. It followed a pseudo-first-order kinetic model. The results indicated that TiO2 (001)/GO nanocomposite is a highly efficient photocatalyst for removing persistent organic pollutants in water. 2024-04 Thesis NonPeerReviewed application/pdf http://studentsrepo.um.edu.my/15400/2/Arini_Izzataddini.pdf application/pdf http://studentsrepo.um.edu.my/15400/1/Arini_Izzataddini.pdf Arini , Izzataddini (2024) Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini. Masters thesis, Universiti Malaya. http://studentsrepo.um.edu.my/15400/
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Student Repository
url_provider http://studentsrepo.um.edu.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Arini , Izzataddini
Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini
description Photodegradation has been considered one of the most effective ways to remove organic dyes from wastewater. As one of the semiconductor materials, TiO2 has shown tremendous potential due to its chemical stability and good photocatalytic efficiency. The catalysts' crystalline information, morphology, and optical properties were studied using Fourier Transform Infrared (FTIR), X-ray diffraction (XRD), Raman, TEM, and UV-visible absorption spectroscopy. In this research, the photocatalytic activity of five types of photocatalyst; TiO2 P25, TiO2 (001), Graphene Oxide (GO), TiO2 P25/GO, and TiO2 (001)/GO—was studied by the degradation of methylene blue, rhodamine b, crystal violet, and a mixture of the three dyes above in an aqueous medium under visible light and different contact time variations. This semiconductor/carbon composite material has excellent potential for removing organic stains and is applicable in water purification. The photocatalytic experiment showed that TiO2 (001)/GO nanocomposites performed the highest photodegradation activity. The removal rates are 95%, 92%, 94%, and 87% for the photodegradation of methylene blue, rhodamine b, crystal violet, and a mix of the three dyes, respectively. It followed a pseudo-first-order kinetic model. The results indicated that TiO2 (001)/GO nanocomposite is a highly efficient photocatalyst for removing persistent organic pollutants in water.
format Thesis
author Arini , Izzataddini
author_facet Arini , Izzataddini
author_sort Arini , Izzataddini
title Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini
title_short Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini
title_full Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini
title_fullStr Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini
title_full_unstemmed Formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / Arini Izzataddini
title_sort formulation of highly exposed (001) facet titanium dioxide/graphene oxide nanocomposite for an efficient photodegradation of organic dyes / arini izzataddini
publishDate 2024
url http://studentsrepo.um.edu.my/15400/2/Arini_Izzataddini.pdf
http://studentsrepo.um.edu.my/15400/1/Arini_Izzataddini.pdf
http://studentsrepo.um.edu.my/15400/
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score 13.211869

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