Figure 5
From: Surfactant-Assisted in situ Chemical Etching for the General Synthesis of ZnO Nanotubes Array

PL spectra of the ZnO nanorods array (blue curve) and nanotubes array (red curve)
From: Surfactant-Assisted in situ Chemical Etching for the General Synthesis of ZnO Nanotubes Array
PL spectra of the ZnO nanorods array (blue curve) and nanotubes array (red curve)