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Facile and straightforward synthesis of superparamagnetic reduced graphene oxide–Fe3O4 hybrid composite by a solvothermal reaction

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Date
2013-01-18
Author
Yue-Wen Liu
刘跃文
Meng-Xue Guan
Lan Feng
冯蓝
Shun-Liu Deng
邓顺柳
Jian-Feng Bao
Su-Yuan Xie
谢素原
Zhong Chen
陈忠
Rong-Bin Huang
黄荣彬
Lan-Sun Zheng
郑兰荪
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  • 化学化工-已发表论文 [14235]
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Abstract
A superparamagnetic reduced graphene oxide-Fe3O4 hybrid composite (rGO-Fe3O4) was prepared via a facile and straightforward method through the solvothermal reaction of iron (III) acetylacetonate (Fe(acac)(3)) and graphene oxide (GO) in ethylenediamine (EDA) and water. By this method, chemical reduction of GO as well as the formation of Fe3O4 nanoparticles (NPs) can be achieved in one step. The Fe3O4 NPs are firmly deposited on the surfaces of rGO, avoiding their reassembly to graphite. The rGO sheets prevent the agglomeration of Fe3O4 NPs and enable a uniform dispersion of these metal oxide particles. The size distribution and coverage density of Fe3O4 NPs deposited on rGO can be controlled by varying the initial mass ratio of GO and iron precursor, Fe(acac)(3). With an initial mass ratio of GO and Fe(acac)(3) of 5:5, the surfaces of rGO sheets are densely covered by spherical Fe3O4 NPs with an average size of 19.9 nm. The magnetic-functionalized rGO hybrid exhibits a good magnetic property and the specific saturation magnetization (M-S) is 13.2 emu g(-1). The adsorption test of methylene blue from aqueous solution demonstrates the potential application of this rGO-Fe3O4 hybrid composite in removing organic dyes from polluted water.
Description
E-mail Addresses: sldeng@xmu.edu.cnNational Key Basic Research Program of China 2013CB933901 National Natural Science Foundation of China 21171140 21021061 21031004 U1205111 Fundamental Research Funds for the Central Universities 2011121013 2012121020 NFFTBS J1030415
Citation
NANOTECHNOLOGY,2013,24(2):Article Number: 025604(10pp)
URI
https://dspace.xmu.edu.cn/handle/2288/55413

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