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Nanoparticles of hexacyanoferrate/cetyltrimetyl ammonium bromide/graphene (NiHCF/CTAB/rGO) with diameters about 20nm were synthesized by using the reverse microemulsion method. Generally, NiHCF and graphene dispersed in water are negatively charged. In the reverse microemulsion system, the cationic surfactant hexadecyl trimethyl ammonium bromide (CTAB) changed the surface charge of NiHCF particles...
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