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Dip-coating LiBr on porous silicon: A new method of surface treatment by Ikbel Haddadi; Wissem Dimassi; Rabaa Bousbih; M. Ali Kanzari; Hatem Ezzaouia is a Engineering article available to read on EtoBox.

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## Abstract In this paper we report on the enhancement of optoelectrical properties of the porous silicon (PS) layer passivated with Lithium Bromide (LiBr), a simple method consist of immersion of the PS in dilute LiBr of aqueous solution followed by a thermal treatment at 100 °C under nitrogen can lead to an increase in the intensity of photoluminescence. The morphologies of the samples were studied by atomic force microscope (AFM) show that the immersion has a great effect on the diameter of the nanoparticles of the PS. The experimental results of I‐V measurements show an improvement in the series resistance, which decrease from 867 Ω to 236 Ω. We observed an enhancement of the Light Beam Induced Current (LBIC) after treatment with LiBr it assumed an increase in the minority carrier diffusion length (L), knowing that this method is efficient and has low cost surface treatment (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Author

Ikbel Haddadi; Wissem Dimassi; Rabaa Bousbih; M. Ali Kanzari; Hatem Ezzaouia

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 1862-6351)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)