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Supraparamagnetic quaternary nanocomposites of graphene@Fe 3 O 4 @SiO 2 @SnO 2 were prepared by combing the versatile sol–gel process and hydrothermal reaction. Transmission electron microscopy measurements show that Fe 3 O 4 @SiO 2 @SnO 2 core–shell–shell nanostructures are fabricated on graphene surface. Compared with graphene@Fe ...
Reduced graphene oxide has been successfully prepared via chemical reduction of graphene oxide by indole as a previously unreported reducing agent. The obtained single layer reduced graphene oxide, with an average thickness of 1.7nm, is dispersible in organic solvents such as ethanol, N,N-dimethylformamide, N-methylpyrrolidone, dimethylsulfoxide, tetrahydrofuran and isopropanol. Several analytical...
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