Opal-like photonic structuring of perovskite solar cells using a genetic algorithm approach

Michael Lobet, Alexandre Mayer, Anthony Maho, Pierre Piron, Jennifer Dewalque, Catherine Henrist, Jérôme Loicq

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Abstract

Light management is an important area of photovoltaic research, but little is known about it in perovskite solar cells. The present work numerically studies the positive effect of structuring the photo-active layer of perovskite material. This structuration consists of a hybrid absorbing layer made of an uniform part and an opal-like part. A genetic algorithm approach allows us to determine the optimal combination among more than 1.4 x 10 9 potential combinations. The optimal combination provides an internal quantum efficiency of 98.1%, nearly 2% higher than for an equivalent unstructured photo-active layer. The robustness of the optimum against potential experimental deviations, as well as the angular dependency of the proposed structure, are examined in the present study.

Original languageEnglish
Article number1783
Number of pages13
JournalApplied Sciences
Volume10
Issue number5
DOIs
Publication statusPublished - 1 Mar 2020

Keywords

  • Light management
  • Perovskite
  • Photonic crystals
  • Photovoltaics

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