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Ni hollow spheres (NHSs) have been successfully synthesized through a microemulsion–template–interface reaction route. The structures of NHSs were characterized by X-ray powder diffraction (XRD), selected area electron diffraction (SAED), transmission electron microscopy (TEM). The results showed that the size of the NHSs was between 50 to 150nm. The shell thickness of the NHSs is about 20nm. In our...
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