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Synthesis of TiO2-rGO nanocomposites as photocatalysts for the degradation of methylene blue dye in water (CROSBI ID 679150)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Kocijan, Martina ; Ćurković, Lidija ; Ljubas, Davor ; Mužina, Katarina ; Kurajica, Stanislav ; Mandić, Vilko Synthesis of TiO2-rGO nanocomposites as photocatalysts for the degradation of methylene blue dye in water // Book of Abstracts: "2nd International Conference on Nanomaterials Science and Mechanical Engineering" / Bdikin, Igor ; Singh, Budhendra ; Simoes, Raul (ur.). Aveiro: UA Editora, Universidade de Aveiro, 2019. str. 88-88

Podaci o odgovornosti

Kocijan, Martina ; Ćurković, Lidija ; Ljubas, Davor ; Mužina, Katarina ; Kurajica, Stanislav ; Mandić, Vilko

engleski

Synthesis of TiO2-rGO nanocomposites as photocatalysts for the degradation of methylene blue dye in water

The aim of this study was to synthesize the TiO2- rGO (titania-reduced graphene oxide) nanocomposites as photocatalysts. The graphene oxide (GO) was synthesized from natural graphite powder by Hummer's method. TiO2 sol was prepared by using titanium tetraisopropoxide as a precursor, i-propanol as a solvent, acetylacetone as a chelating agent and nitric acid as a catalyst. The TiO2-rGO nanocomposites with different amounts of GO were obtained by a hydrothermal method. They were characterized by means of powder X-ray diffraction analysis, Fourier transform infrared spectroscopy, scanning electron microscopy and UV-Vis diffuse reflectance spectroscopy. The photocatalytic activity of the TiO2-rGO nanocomposites was evaluated by the photocatalytic degradation of Methylene blue (MB) dye (dissolved in water) as a model pollutant with the irradiation by three different lamps: (I) a light-emitting diode (LED) lamp with a radiation peak at 365 nm, (II) halogen lamp that emits radiation predominantly in visible region and (III) Solar-simulator lamp. The concentrations of MB were monitored by UV-Vis spectrophotometry. Obtained results indicated that photocatalytic properties of prepared TiO2-rGO nanocomposites depend on the amount of rGO and on the type of the radiation (irradiation source).

nanocomposites, reduced graphene oxide, photocatalysis

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Podaci o prilogu

88-88.

2019.

objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts: "2nd International Conference on Nanomaterials Science and Mechanical Engineering"

Bdikin, Igor ; Singh, Budhendra ; Simoes, Raul

Aveiro: UA Editora, Universidade de Aveiro

978-972-789-544-1

Podaci o skupu

2nd International Conference on Nanomaterials Science and Mechanical Engineering

predavanje

09.07.2019-12.07.2019

Aveiro, Portugal

Povezanost rada

Interdisciplinarne prirodne znanosti, Interdisciplinarne tehničke znanosti, Kemija, Temeljne tehničke znanosti