Template-Assisted Fabrication of Double-Shelled Nanotubes Composed of Inner Shell Pb(Zr_(0.52)Ti_(0.48))O_3 and Outer Shell TiO_2 by Sol-Gel Process with Spin-Coating Technique

摘要

Double-shelled nanotubes composed of inner shell Pb(Zr_(0.52)Ti_(0.48))O_3 (PZT) and outer shell TiO_2 are successfully fabricated by a spin coating of each sol-gel solution on porous anodic alumina template. Field emission transmission electron microscopy images show that they have a ~ 10 nm wall thickness. The selected area electron diffraction patterns show that they have two mixed crystalline phases of tetragonal PZT and anatase TiO_2. The analyses of scanning transmission electron microscopy equipped with energy dispersive X-ray spectroscopy confirm their uniform distribution of each element.