Transparent TiO2 nanotube array photoelectrodes prepared via two-step anodization

Kim, Jin Young; Zhu, Kai; Neale, Nathan R.; Frank, Arthur J.

doi:10.1186/s40580-014-0009-3

Title: Transparent TiO₂ nanotube array photoelectrodes prepared via two-step anodization

Journal Article · Fri Apr 04 00:00:00 EDT 2014 · Nano Convergence

DOI:https://doi.org/10.1186/s40580-014-0009-3· OSTI ID:1236450

Kim, Jin Young ^[1]; Zhu, Kai ^[2]; Neale, Nathan R. ^[2]; Frank, Arthur J. ^[2]

Korea Institute of Science and Technology (KIST), Seoul (Republic of Korea); Korea Univ., Seoul (South Korea)
National Renewable Energy Lab. (NREL), Golden, CO (United States)

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. As a result, 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.

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Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: AC36-08GO28308

OSTI ID:: 1236450

Report Number(s):: NREL/JA-5900-61266

Journal Information:: Nano Convergence, Vol. 1, Issue 1; Related Information: Nano Convergence; ISSN 2196-5404

Country of Publication:: United States

Language:: English

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