Efficiency enhancement of perovskite solar cells based on opal-like photonic crystals

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

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

Perovskite solar cells have shown a tremendous interest for photovoltaics since the past decade. However, little is known on the influence of light management using photonic crystals inside such structures. 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 made of an opal-like perovskite structure (monolayer, bilayer or trilayer of perovskite spheres) built in a TiO2 matrix. Fano resonances are exploited in order to enhance the absorption, especially near the bandgap of perovskite material. The excitation of quasi-guided modes inside the absorbing spheres enhances the integrated quantum efficiency and the photonic enhancement factor. More specifically, a photonic enhancement factor as high as 6.4% is predicted in the case of spheres monolayer compared to an unstructured perovskite layer. The influences of sphere’s radius and incident angle on the absorbing properties are also estimated. Those numerical results can be applied to the nascent field of photonic structuring inside perovskite solar cells.

langue originaleAnglais
Pages (de - à)32308-32322
Nombre de pages15
journalOptics Express
Volume27
Numéro de publication22
Les DOIs
étatPublié - 2019

Empreinte digitale

solar cells
photonics
augmentation
crystals
quantum efficiency
radii
matrices
excitation
simulation

Citer ceci

Lobet, Michaël ; Piron, Pierre ; Dewalque, Jennifer ; Maho, Anthony ; Deparis, Olivier ; Henrist, Catherine ; Loicq, Jérôme. / Efficiency enhancement of perovskite solar cells based on opal-like photonic crystals. Dans: Optics Express. 2019 ; Vol 27, Numéro 22. p. 32308-32322.
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abstract = "Perovskite solar cells have shown a tremendous interest for photovoltaics since the past decade. However, little is known on the influence of light management using photonic crystals inside such structures. 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 made of an opal-like perovskite structure (monolayer, bilayer or trilayer of perovskite spheres) built in a TiO2 matrix. Fano resonances are exploited in order to enhance the absorption, especially near the bandgap of perovskite material. The excitation of quasi-guided modes inside the absorbing spheres enhances the integrated quantum efficiency and the photonic enhancement factor. More specifically, a photonic enhancement factor as high as 6.4{\%} is predicted in the case of spheres monolayer compared to an unstructured perovskite layer. The influences of sphere’s radius and incident angle on the absorbing properties are also estimated. Those numerical results can be applied to the nascent field of photonic structuring inside perovskite solar cells.",
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Lobet, M, Piron, P, Dewalque, J, Maho, A, Deparis, O, Henrist, C & Loicq, J 2019, 'Efficiency enhancement of perovskite solar cells based on opal-like photonic crystals', Optics Express, VOL. 27, Numéro 22, p. 32308-32322. https://doi.org/10.1364/OE.27.032308

Efficiency enhancement of perovskite solar cells based on opal-like photonic crystals. / Lobet, Michaël; Piron, Pierre; Dewalque, Jennifer; Maho, Anthony; Deparis, Olivier; Henrist, Catherine; Loicq, Jérôme.

Dans: Optics Express, Vol 27, Numéro 22, 2019, p. 32308-32322.

Résultats de recherche: Contribution à un journal/une revueArticle

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AU - Henrist, Catherine

AU - Loicq, Jérôme

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