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Solar Energy
Article . 2020 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Enhanced performance of planar perovskite solar cells using dip-coated TiO2 as electron transporting layer

Authors: Mohammed Makha; H. Bakkali; Eduardo Blanco; Zoia Voitenko; A. El Haimeur; A. El Haimeur; Manuel Dominguez; +1 Authors

Enhanced performance of planar perovskite solar cells using dip-coated TiO2 as electron transporting layer

Abstract

En esta publicación se ha empleado el procedimiento sol-gel con el fin de elaborar capas de TiO2 en sustratos de ITO mediante la inmersión denominada "Dip-Coating". Se emplearon técnicas de caracterización XRD, espectroscopia Raman, AFM, UV-Vis y espectroscopia elipsométrica, que evaluaron las consecuencias del espesor de la película en las propiedades microestructurales, morfológicas y ópticas, así como su función como capa transportadora de electrones para células solares planas de perovskita (PSC). En todos los casos, se obtuvieron películas de Anatasa TiO2 bien cristalizadas con una superficie lisa y homogénea. La banda prohibida óptica de las películas aumentó de 3.25 eV a 3.4 eV al aumentar el espesor de la película de 50 nm a 90 nm. En cambio, el índice de refracción (n) alcanza un valor de 2 por encima de 400 nm, mientras que los coeficientes de extinción (k) descienden a cero. Los resultados revelaron una mejora en el transporte de carga y el comportamiento de extracción de electrones mediante la capa de TiO2 de 50 nm, así como un aumento en la eficiencia de conversión de energía del dispositivo. El resultado indica que es posible usar el método de recubrimiento por inmersión para la elaboración de una célula solar de perovskita plana eficiente. También sugiere usar un espesor optimizado de 50 nm para optimizar el rendimiento del dispositivo.

Country
Spain
Keywords

Optical properties, Perovskite solar cells, Photovoltaic effect, Ellipsometric spectroscopy, Electron transport layer

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
26
Top 10%
Top 10%
Top 10%
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