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Issue 29, 2014
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Photoactive rolled-up TiO2 microtubes: fabrication, characterization and applications

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Abstract

Because of its unique properties, titania (TiO2) represents a promising candidate in a wide variety of research fields. In this paper, some of the properties and potential applications of titania within rolled-up nanotechnology are explored. It is shown how the structural and optical properties of rolled titania microtubes can be controlled by properly tuning the microfabrication parameters. The rolling up of titania films on different sacrificial layers and containing different shapes, achieving a control on the diameter of the fabricated titania microtubes, is presented. In order to obtain the more photoactive crystalline form of titania, one during-fabrication and two post-fabrication methods are demonstrated. Interesting applications in the fields of photocatalysis and photonics are suggested: the use of titania rolled-up microtubes as micromotors and optical microresonators is presented.

Graphical abstract: Photoactive rolled-up TiO2 microtubes: fabrication, characterization and applications

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Supplementary files

Article information


Submitted
19 Apr 2014
Accepted
05 Jun 2014
First published
09 Jun 2014

This article is Open Access

J. Mater. Chem. C, 2014,2, 5892-5901
Article type
Paper
Author version available

Photoactive rolled-up TiO2 microtubes: fabrication, characterization and applications

S. Giudicatti, S. M. Marz, L. Soler, A. Madani, M. R. Jorgensen, S. Sanchez and O. G. Schmidt, J. Mater. Chem. C, 2014, 2, 5892
DOI: 10.1039/C4TC00796D

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