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Figure 1

From: Dendritic Heterojunction Nanowire Arrays for High-Performance Supercapacitors

Figure 1

(a) SEM morphology of the as-synthesized hollow NiCo2S4 nanowire arrays on Ni foam. (b) and (c) SEM images of NiCo2S4/NiCo2O4 DH arrays on Ni foam with different magnification. (d) TEM image of NiCo2S4/NiCo2O4 DHs. The inset shows the HRTEM image of joint region between NiCo2S4 core and a NiCo2O4 branch nanowire. (e) XRD pattern of the NiCo2S4/NiCo2O4 DH arrays scratched from Ni foam. (f) SEM image of the reference NiCo2S4@NiCo2O4 CSH arrays synthesized on Ni foam.

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