Yue-Wen Liu, Meng-Xue Guan, Lan Feng, Shun-Liu Deng, Jian-Feng Bao, Su-Yuan Xie, Zhong Chen, Rong-Bin Huang and Lan-Sun Zheng
A superparamagnetic reduced graphene oxide–Fe 3 O 4 hybrid composite (rGO–Fe 3 O 4 ) 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 Fe 3 O 4 nanoparticles (NPs) can be achieved in one step. The Fe 3 O 4 NPs are firmly deposited on the surfaces of rGO, avoiding their reassembly to graphite. The rGO sheets prevent the agglomeration of Fe 3 O 4 NPs and enable a uniform dispersion of these metal oxide particles. The size distribution and coverage density of Fe 3 O 4 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 s...
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A superparamagnetic reduced graphene oxide–Fe 3 O 4 hybrid composite (rGO–Fe 3 O 4 ) 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 Fe 3 O 4 nanoparticles (NPs) can be achieved in one step. The Fe 3 O 4 NPs are firmly deposited on the surfaces of rGO, avoiding their reassembly to graphite. The rGO sheets prevent the agglomeration of Fe 3 O 4 NPs and enable a uniform dispersion of these metal oxide particles. The size distribution and coverage density of Fe 3 O 4 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 s...
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