Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye
Herein, a ternary nanocomposite of magnetite nanoparticles (MNPs), TiO<sub>2</sub> nanoparticles (TNPs), and graphene oxide (GO) (Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub>/graphene oxide, GMT) has been successfully synthesized for photocatalytic degr...
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doaj-d8727230a1fa427597e698211738b9802020-11-25T02:49:19ZengAIMS PressAIMS Materials Science2372-04842020-06-017328830110.3934/matersci.2020.3.288Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dyeKhang Duy Vu Nguyen0Khoa Dang Nguyen Vo11 Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 01A TL29 Street, Thanh Loc Ward, District 12, Ho Chi Minh City 700000, Vietnam2 Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Street, Nghia Do Ward, Cau Giay District, Ha Noi 100000, VietnamHerein, a ternary nanocomposite of magnetite nanoparticles (MNPs), TiO<sub>2</sub> nanoparticles (TNPs), and graphene oxide (GO) (Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub>/graphene oxide, GMT) has been successfully synthesized for photocatalytic degradation of rhodamine B (RhB) dye under natural sunlight irradiation, which is a significant elevation in photocatalytic activity and sustainability for both Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub> nanoparticles and magnetic GO materials. MNPs was first incorporated with TNPs to form Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub> core/shell nanoparticles, followed by the addition of GO. The nanocomposite’s morphological, chemical and physical properties were investigated through various spectroscopic techniques such as Fourier-transformed infrared (FTIR), X-ray diffraction (XRD), and ultraviolet-visible (UV-Vis) adsorption. Vibrating-sample magnetometry, Brunauer-Emmett-Teller (BET) equation, scanning electron (SEM), and transmission electron (TEM) microscopies were also used for the nanocomposite formation demonstration. In comparison with bare components, GMT samples displayed much higher degradation efficiency on rhodamine B (RhB) dye solutions under natural sunlight irradiation. The nanocomposite, therefore, proclaimed high potential as a “next-step” material of Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub> core/shell nanoparticles for pollutants removal from wastewater and other photocatalytic applications.https://www.aimspress.com/article/10.3934/matersci.2020.3.288/fulltext.htmlgraphene oxidetitanium dioxidemagnetite nanoparticlesnanocompositesphotocatalytic activity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Khang Duy Vu Nguyen Khoa Dang Nguyen Vo |
spellingShingle |
Khang Duy Vu Nguyen Khoa Dang Nguyen Vo Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye AIMS Materials Science graphene oxide titanium dioxide magnetite nanoparticles nanocomposites photocatalytic activity |
author_facet |
Khang Duy Vu Nguyen Khoa Dang Nguyen Vo |
author_sort |
Khang Duy Vu Nguyen |
title |
Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye |
title_short |
Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye |
title_full |
Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye |
title_fullStr |
Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye |
title_full_unstemmed |
Magnetite nanoparticles-TiO<sub>2</sub> nanoparticles-graphene oxide nanocomposite: Synthesis, characterization and photocatalytic degradation for Rhodamine-B dye |
title_sort |
magnetite nanoparticles-tio<sub>2</sub> nanoparticles-graphene oxide nanocomposite: synthesis, characterization and photocatalytic degradation for rhodamine-b dye |
publisher |
AIMS Press |
series |
AIMS Materials Science |
issn |
2372-0484 |
publishDate |
2020-06-01 |
description |
Herein, a ternary nanocomposite of magnetite nanoparticles (MNPs), TiO<sub>2</sub> nanoparticles (TNPs), and graphene oxide (GO) (Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub>/graphene oxide, GMT) has been successfully synthesized for photocatalytic degradation of rhodamine B (RhB) dye under natural sunlight irradiation, which is a significant elevation in photocatalytic activity and sustainability for both Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub> nanoparticles and magnetic GO materials. MNPs was first incorporated with TNPs to form Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub> core/shell nanoparticles, followed by the addition of GO. The nanocomposite’s morphological, chemical and physical properties were investigated through various spectroscopic techniques such as Fourier-transformed infrared (FTIR), X-ray diffraction (XRD), and ultraviolet-visible (UV-Vis) adsorption. Vibrating-sample magnetometry, Brunauer-Emmett-Teller (BET) equation, scanning electron (SEM), and transmission electron (TEM) microscopies were also used for the nanocomposite formation demonstration. In comparison with bare components, GMT samples displayed much higher degradation efficiency on rhodamine B (RhB) dye solutions under natural sunlight irradiation. The nanocomposite, therefore, proclaimed high potential as a “next-step” material of Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub> core/shell nanoparticles for pollutants removal from wastewater and other photocatalytic applications. |
topic |
graphene oxide titanium dioxide magnetite nanoparticles nanocomposites photocatalytic activity |
url |
https://www.aimspress.com/article/10.3934/matersci.2020.3.288/fulltext.html |
work_keys_str_mv |
AT khangduyvunguyen magnetitenanoparticlestiosub2subnanoparticlesgrapheneoxidenanocompositesynthesischaracterizationandphotocatalyticdegradationforrhodaminebdye AT khoadangnguyenvo magnetitenanoparticlestiosub2subnanoparticlesgrapheneoxidenanocompositesynthesischaracterizationandphotocatalyticdegradationforrhodaminebdye |
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