Transparent TiO2 Nanotube Array Photoelectrodes Prepared via Two-Step Anodization

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Abstract

Two-step anodization of transparent TiO2 nanotube arrays has been demonstrated with aid of a Nb-doped TiO2 buffer layer deposited between the Ti layer and TCO substrate. Enhanced physical adhesion and electrochemical stability provided by the buffer layer has been found to be important for successful implementation of the two-step anodization process. With the proposed approach, the morphology and thickness of NT arrays could be controlled very precisely, which in turn, influenced their optical and photoelectrochemical properties.

Original languageAmerican English
Article number9
Number of pages7
JournalNano Convergence
Volume1
Issue number1
DOIs
StatePublished - Dec 2014

Bibliographical note

Publisher Copyright:
© 2014, Kim et al.; licensee Springer.

NREL Publication Number

  • NREL/JA-5900-61266

Keywords

  • Anodization Process
  • Anodization Rate
  • Anodization Time
  • Step Anodization
  • Transparent Conducting Oxide

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