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2015 | OriginalPaper | Chapter

62. Characterization and Simulation of Silicon Oxynitride Films Deposited by ECR-PECVD: For Solar Applications

Authors : Lilia Zighed, Abdelhakim Mahdjoub

Published in: Progress in Clean Energy, Volume 2

Publisher: Springer International Publishing

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Abstract

Graded refractive index silicon oxynitrides are deposited by electron cyclotron resonance plasma-enhanced chemical vapor deposition (ECR-PECVD). The analysis of engraving speeds and infrared absorption spectra taken on samples informed us about their chemical compositions. This analysis shows the presence of refractive index gradient. To benefit at the same time from antireflective and passive properties of oxynitrides, we proposed graded index layer having Fermi profile, which we optimized by simulation. This coating would replace the classic double layer antireflective coating (ARC) made in two different technological steps. Calculation predicts an enhancement of photogenerated current exceeding 45 % and a weighted reflectance (between 300 and 1,100 nm) around 5.6 %.

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Metadata
Title
Characterization and Simulation of Silicon Oxynitride Films Deposited by ECR-PECVD: For Solar Applications
Authors
Lilia Zighed
Abdelhakim Mahdjoub
Copyright Year
2015
DOI
https://doi.org/10.1007/978-3-319-17031-2_62