Figure 8.

a SEM image of CoC2O4 nanowires; b SEM image of Co3O4 nanowires; c TEM image of Co3O4 nanowires; d XRD of Co3O4 nanowires

Du et al. Nanoscale Research Letters 2010 5:1295-1300   doi:10.1007/s11671-010-9641-y