title: Highly ordered Pb(Zr₀.₅₂ Ti₀.₄₈)O₃ piezoelectric nanorod arrays.
abstract: One-dimensional (1D) piezoelectric nanostructures have attracted significant attention for a broad range of applications including optoelectronics, thermoelectrics, electrochemical and electromechanical converters. We demonstrate the synthesis of 1D nanostructures based upon Pb(Zr0.52Ti0.48)O3 (PZT) on conductive substrates via sol-gel template synthesis. The vertically aligned PZT nanostructures with heights around one micron were synthesized by vacuum infiltration of sol-gel precursors into highly ordered cylindrical pores of anodized aluminum oxide templates. The 1D nanostructures were developed on large scale platinized silicon wafers and exhibited dense rod-like structure with a uniform diameter of 90 nm and an aspect ratio of 10. Scanning probe microscopy conducted on individual nanorods demonstrated good electromechanical properties with a high piezoelectric magnitude of 41 pm V(-1). We believe that this study opens the possibility of developing high performance nanoscale piezoelectric sensors and transducers.
authors: Center for Energy Harvesting Materials and Systems (CEHMS), Bio-inspired Materials and Devices Laboratory (BMDL), Virginia Tech, Blacksburg, VA 24061, USA.
authors: Su Chul
authors: SC
authors: Yang
authors: Mohan
authors: M
authors: Sanghadasa
authors: Shashank
authors: S
authors: Priya
mesh_terms: D004560:Electricity; D036103:Nanotechnology; D043942:Nanotubes / Q000737:chemistry* / Q000648:ultrastructure*; D010087:Oxides / Q000737:chemistry*; D044367:Phase Transition; D014025:Titanium / Q000737:chemistry*; D014159:Transducers; D015040:Zirconium / Q000737:chemistry*
chemical_list: D010087:Oxides; D015040:Zirconium; D014025:Titanium