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Tubular micro- and nanostructures of TCO materials grown by a vapor-solid method

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García Tecedor, Miguel and Prado Hurtado, Félix del and Bueno, Carlos and Vásquez, G. Cristian and Bartolomé, Javier and Maestre Varea, David and Díaz, Tomás and Cremades Rodríguez, Ana Isabel and Piqueras de Noriega, Javier (2016) Tubular micro- and nanostructures of TCO materials grown by a vapor-solid method. AIMS Materials Science, 3 (2). pp. 434-447. ISSN 2372-0468

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Official URL: http://dx.doi.org/10.3934/matersci.2016.2.434


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Abstract

Microtubes and rods with nanopipes of transparent conductive oxides (TCO), such as SnO_2, TiO_2, ZnO and In_2O_3, have been fabricated following a vapor-solid method which avoids the use of catalyst or templates. The morphology of the as-grown tubular structures varies as a function of the precursor powder and the parameters employed during the thermal treatments carried out under a controlled argon flow. These materials have been also doped with different elements of technological interest (Cr, Er, Li, Zn, Sn). Energy Dispersive X-ray Spectroscopy (EDS) measurements show that the concentration of the dopants achieved by the vapor-solid method ranges from 0.5 to _3 at.%. Luminescence of the tubes has been analyzed, with special attention paid to the influence of the dopants on their optical properties. In this work, we summarize and discuss some of the processes involved not only in the anisotropic growth of these hollow micro and nanostructures, but also in their doping.


Item Type:Article
Additional Information:

© 2016 David Maestre, et al., licensee AIMS Press. This is an open
access article distributed under the terms of the Creative Commons
Attribution License (http://creativecommons.org/licenses/by/4.0).
This work was supported by UCM-Banco Santander, program GR3/14 and MINECO (Project Nos. MAT 2012-31959, MAT 2015-65274-R and Consolider Ingenio CSD 2009-00013).

Uncontrolled Keywords:Transmission electron-microscopy; Sintered tin oxide; Luminescence properties; Controllable synthesis; Nanowire growth; In2o3 nanocubes; SnO_2; Cathodoluminescence; Nanoribbons fabrication
Subjects:Sciences > Physics > Materials
ID Code:38918
Deposited On:26 Aug 2016 08:55
Last Modified:26 Aug 2016 09:01

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