Benefits of photonic structuring on perovskite solar cells using opal-like layers

Michaël Lobet; Alexandre Mayer; Anthony Maho; Pierre Piron; Jennifer Dewalque; Catherine Henrist; Olivier Deparis; Jérôme Loicq

doi:10.1117/12.2567611

20 August 2020 Benefits of photonic structuring on perovskite solar cells using opal-like layers

Michaël Lobet, Alexandre Mayer, Anthony Maho, Pierre Piron, Jennifer Dewalque, Catherine Henrist, Olivier Deparis, Jérôme Loicq

Author Affiliations +

Proceedings Volume 11474, Organic, Hybrid, and Perovskite Photovoltaics XXI; 114741F (2020) https://doi.org/10.1117/12.2567611
Event: SPIE Organic Photonics + Electronics, 2020, Online Only

Conference Poster

Abstract

Perovskite solar cells have been under the spotlight of the photovoltaics community. However, little is known on the impact of structuring the active material using photonic crystal layers. We present here numerical simulations showing the effect of photonic crystal structuring on the integrated quantum efficiency of perovskite solar cells. The photo-active layer is structured using opal-like perovskite layers made of perovskite (full or truncated) spheres, including hybrid uniform/structured layers, embedded in a TiO₂ matrix. The excitation of quasi-guided modes inside the absorbing spheres increases the integrated quantum efficiency and the photonic enhancement factor. A genetic algorithm approach allows us to determine the optimum structure among more than 1.4 10^9 potential combinations. These numerical results of the benefits of photonic structuring on perovskite solar cells are also compared to experimental studies on selected configurations of perovskite solar cells.

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Michaël Lobet, Alexandre Mayer, Anthony Maho, Pierre Piron, Jennifer Dewalque, Catherine Henrist, Olivier Deparis, and Jérôme Loicq "Benefits of photonic structuring on perovskite solar cells using opal-like layers", Proc. SPIE 11474, Organic, Hybrid, and Perovskite Photovoltaics XXI, 114741F (20 August 2020); https://doi.org/10.1117/12.2567611

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