Ordered ferroelectric lead titanate nanocellular structure by conversion of anodic TiO2 nanotubes

Jan M. Macak; Cordt Zollfrank; Brian J. Rodriguez; Hiroaki Tsuchiya; Marin Alexe; Peter Greil; Patrik Schmuki

doi:10.1002/adma.200900587

Ordered ferroelectric lead titanate nanocellular structure by conversion of anodic TiO₂ nanotubes

Jan M. Macak, Cordt Zollfrank, Brian J. Rodriguez, Hiroaki Tsuchiya, Marin Alexe, Peter Greil, Patrik Schmuki

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

The synthesis of a highly ordered and vertically aligned piezoelectric lead titanate perovskite nanocellulor structures has been demonstrated. The nanostructure provides promising perspectives for applications in solar cells, photocatalysis, catalysis and also in biomedical devices. Transmission Electron Microscopy (TEM) was used for the structural characterization of the samples. Annealing at different temperatures in an oxygen flow was performed to convert the Pb-filled TiO₂ nanotubes into PbTiO₃ perovskite structure. The ferroelectric properties of these PbTiO₃ nanocellular layers have origin in their highly ordered arrangements throughout the entire processing. The use of the ordered anodic PbTiO₃ nanotube layers is highly promising dimensions over a very broad range of geometries.

Original language	English
Pages (from-to)	3121-3125
Number of pages	5
Journal	Advanced Materials
Volume	21
Issue number	30
DOIs	https://doi.org/10.1002/adma.200900587
State	Published - 14 Aug 2009
Externally published	Yes

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abstract = "The synthesis of a highly ordered and vertically aligned piezoelectric lead titanate perovskite nanocellulor structures has been demonstrated. The nanostructure provides promising perspectives for applications in solar cells, photocatalysis, catalysis and also in biomedical devices. Transmission Electron Microscopy (TEM) was used for the structural characterization of the samples. Annealing at different temperatures in an oxygen flow was performed to convert the Pb-filled TiO2 nanotubes into PbTiO3 perovskite structure. The ferroelectric properties of these PbTiO3 nanocellular layers have origin in their highly ordered arrangements throughout the entire processing. The use of the ordered anodic PbTiO3 nanotube layers is highly promising dimensions over a very broad range of geometries.",

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AU - Macak, Jan M.

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AU - Tsuchiya, Hiroaki

AU - Alexe, Marin

AU - Greil, Peter

AU - Schmuki, Patrik

PY - 2009/8/14

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AB - The synthesis of a highly ordered and vertically aligned piezoelectric lead titanate perovskite nanocellulor structures has been demonstrated. The nanostructure provides promising perspectives for applications in solar cells, photocatalysis, catalysis and also in biomedical devices. Transmission Electron Microscopy (TEM) was used for the structural characterization of the samples. Annealing at different temperatures in an oxygen flow was performed to convert the Pb-filled TiO2 nanotubes into PbTiO3 perovskite structure. The ferroelectric properties of these PbTiO3 nanocellular layers have origin in their highly ordered arrangements throughout the entire processing. The use of the ordered anodic PbTiO3 nanotube layers is highly promising dimensions over a very broad range of geometries.

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Ordered ferroelectric lead titanate nanocellular structure by conversion of anodic TiO₂ nanotubes

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