Artículo
Vacuum template synthesis of multifunctional nanotubes with tailored nanostructured walls
Autor/es | Filippin Emilio, Alejandro Nicolás
Macías Montero, Manuel Jesús Idígoras León, Jesús Burdet, Pierre Midgley, Paul Saghi, Zineb Borrás Martos, Ana Isabel Anta Montalvo, Juan Antonio Barranco Quero, Ángel |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2016 |
Fecha de depósito | 2018-04-09 |
Publicado en |
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Resumen | A three-step vacuum procedure for the fabrication of vertical TiO2 and ZnO nanotubes with three dimensional walls is presented. The method combines physical vapor deposition of small-molecules, plasma enhanced chemical ... A three-step vacuum procedure for the fabrication of vertical TiO2 and ZnO nanotubes with three dimensional walls is presented. The method combines physical vapor deposition of small-molecules, plasma enhanced chemical vapor deposition of inorganic functional thin films and layers and a postannealing process in vacuum in order to remove the organic template. As a result, an ample variety of inorganic nanotubes are made with tunable length, hole dimensions and shapes and tailored wall composition, microstructure, porosity and structure. The fabrication of multishell nanotubes combining different semiconducting oxides and metal nanoparticles is as well explored. This method provides a feasible and reproducible route for the fabrication of high density arrays of vertically alligned nanotubes on processable substrates. The emptying mechanism and microstructure of the nanotubes have been elucidated through SEM, STEM, HAADF-STEM tomography and energy dispersive X-ray spectroscopy. In this article, as a proof of concept, it is presented the straightforward integration of ZnO nanotubes as photoanode in a photovoltaic cell and as a photonic oxygen gas sensor |
Identificador del proyecto | TEP8067
FQM-6900 FQM 1851 P12-FQM-2265 CONSOLIDER-CSD 2008-00023 MAT2013-40852-R MAT2013-42900-P MAT2013-47192-C3-3-R RECUPERA 2020 FP/2007-2013 312483 - ESTEEM2 291522 - 3DIMAGE REGPOT-CT-2011-285895-Al-NANOFUNC |
Cita | Filippin Emilio, A.N., Macías Montero, M.J., Idígoras León, J., Burdet, P., Midgley, P., Saghi, i.,...,Barranco Quero, Á. (2016). Vacuum template synthesis of multifunctional nanotubes with tailored nanostructured walls. Scientific Reports, 6, 1-13. |
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