[Th4b-O51] Sub area 5-1: Improved understanding perovskite photovoltaics

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[Th4b-O51-04] Coupling opto-electric and frequency-modulated techniques unravels the role of interfacial ionic aggregates in performance degradation and metastability of perovskite solar cells

*Juan Pablo Medina Flechas^1,2, Dounya Barrit¹, Carlos Chaparro¹, Paul Lin¹, Marion Provost², Estelle Cariou², Thomas Guillemot², Karim Medjoubi², Jorge Posada³, Osbel Almora⁴, Camille Bainier¹, Pilar Lopez², Philip Schulz² (1. TotalEnergies OneTech (France), 2. IPVF Institut Photovoltaïque d'Île-de-France (UMR 9006) (France), 3. EDF R&D, IPVF (France), 4. Universitat Rovira i Virgili (URV) (Spain))