Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/68673
Title: Aluminium induced texturing of glass substrates with improved light management for thin film solar cells
Author: Lluscà, M. (Marta)
Urbain, Félix
Smirnov, Vladimir
Antony, Aldrin
Andreu i Batallé, Jordi
Bertomeu i Balagueró, Joan
Keywords: Pel·lícules fines
Cèl·lules solars
Silici
Dispersió de la llum
Thin films
Solar cells
Silicon
Light scattering
Issue Date: Apr-2016
Publisher: Elsevier B.V.
Abstract: Aluminium induced texturing (AIT) method has been used to texture glass substrates to enhance photon absorption in microcrystalline thin film Si solar cells. In this process, a thin Al film is deposited on a glass substrate and a non-uniform redox reaction between the glass and the Al film occurs when they are annealed at high temperature. After etching the reaction products, the resultant glass surface presents a uniform and rough morphology. In this work, three different textures (­σrms ~85, ~95, ~125 nm) have been achieved by tuning the dc sputtering power and over them and over smooth glass, pin microcrystalline silicon solar cells have been fabricated. The cells deposited over the textured substrates showed an efficiency improvement in comparison to the cells deposited over the smooth glass. The best result was given for the glass texture σrms~125 nm that led to an average efficiency 2.1% higher than that given by the cell deposited on smooth glass
Note: Versió postprint del document publicat a: http://dx.doi.org/10.1016/j.solmat.2015.12.028
It is part of: Solar Energy Materials and Solar Cells, 2016, vol. 147, p. 276-280
Related resource: http://dx.doi.org/10.1016/j.solmat.2015.12.028
URI: http://hdl.handle.net/2445/68673
ISSN: 0927-0248
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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