Figure 6From: Tube Formation in Nanoscale MaterialsIllustration of ZnS nanotubes via a sacrificial strategy.a ZnO nanorods as the starting precursors.b Formation of ZnS at the shell of ZnO through sulfuration reaction.c Etching ZnO cores to form ZnS nanotubes.d SEM image of ZnS nanotubes using as-prepared ZnO nanorods as the precursorBack to article page