Artículo
Enhanced diffusion through porous nanoparticle optical multilayers
Autor/es | López López, María del Carmen
Colodrero, Silvia Raga, Sonia R. Lindström, Henrik Fabregat-Santiago, Francisco Bisquert, Juan Míguez García, Hernán Ruy |
Fecha de publicación | 2011-11-19 |
Fecha de depósito | 2018-05-09 |
Publicado en |
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Resumen | Herein we demonstrate improved mass transport through nanoparticle one-dimensional photonic crystals of enhanced porosity. Analysis is made by impedance spectroscopy using iodine and ionic liquid based electrolytes and ... Herein we demonstrate improved mass transport through nanoparticle one-dimensional photonic crystals of enhanced porosity. Analysis is made by impedance spectroscopy using iodine and ionic liquid based electrolytes and shows that newly created large pores and increased porosity improve the diffusion of species through the photonic crystal. This achievement is based on the use of a polymeric porogen (polyethylene glycol), which is mixed with the precursor suspensions used for the deposition of nanoparticle TiO2 and SiO2 layers and then eliminated to generate a more open interconnected void network, as confirmed by specular reflectance porosimetry . A compromise between pore size and optical quality of these periodic structures is found. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España Junta de Andalucía |
Identificador del proyecto | CSD2007-00007
FQM3579 FQM5247 MAT2008-02166 MAT2011-23593 |
Cita | López López, M.d.C., Colodrero, S., Raga, S.R., Lindström, H., Fabregat-Santiago, F., Bisquert, J. y Míguez García, H.R. (2011). Enhanced diffusion through porous nanoparticle optical multilayers. Journal of Materials Chemistry, 22, 1751-1757. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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enhaced diffusion throgh.pdf | 340.5Kb | [PDF] | Ver/ | |