Electrophoretic Deposition of Nanostructured Electroactive Materials

  • Tao Li
  • Chen Yanhong
  • Jan Ma
Chapter
Part of the Nanostructure Science and Technology book series (NST)

Abstract

Electrophoretic deposition (EPD) has shown huge potential in the fabrication of functional materials. In this work, its application to the forming of piezoelectric actuators and nanostructured electrochromic devices were introduced and discussed. For the piezoelectric actuators, three kinds of actuator configurations, namely, piezo tube, piezo helix and functionally graded materials (FGM) monomorph, were investigated. The preparation and characterization of Pb(Zr,Ti)O3 (PZT) suspensions was first introduced. Then the deposition procedure and property characterization of the actuator were reviewed and discussed. Finally applications of the EPD fabricated devices were introduced. Different deposition techniques were applied for the different configurations. The piezo tube is monolithic and hence the method of one-time deposition was applied. In contrast, piezo helix and monomorph have complicated structures. As a result, double and multiple deposition techniques were applied respectively. The results have shown that EPD is a good technique to fabricate piezoelectric devices with miniaturized dimensions and complicated structures. EPD also exhibits advantages, such as simple procedure, low cost and reliable quality, in the coating of functional materials. The present work reports the deposition of hydrothermally synthesized crystalline tungsten oxide (WO3) nanorods onto ITO glass for electrochromic applications as an example.

Keywords

TiO2 Porosity Graphite Platinum Fe2O3 

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Tao Li
    • 1
  • Chen Yanhong
    • 1
  • Jan Ma
    • 1
  1. 1.School of Materials Science and EngineeringNanyang Technological UniversitySingaporeSingapore

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