Archive > Volume 12 Issue 6 > 2016,12(6):401-404. DOI:10.1007/s11801-016-6205-0 CSTR:[cstr] Prev Next
High-efficiency laser-irradiation spheroidizing of NiCo2O4 nanomaterials
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Abstract:
We realized the desired spheroidizing of NiCo2O4 nanomaterials by laser irradiating NiCo2O4 suspensions with different concentrations. The results reveal that the as-prepared samples are desired spheres with the maximal average size of 568 nm and the superior dispersity, which were obtained at the energy density of 0.30 J.pulse-1∙cm-2 and NiCo2O4 suspension concentration of 0.2 mg.mL-1. However, the phase segregation, which was induced by large amounts of solid redox of Co3+/Co2+ and Ni3+/Ni2+, also appears in the laser-irradiation process.
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