Slowing Down in an Accelerated World: Understanding Degradation Pathways in Organic and Perovskite Photovoltaics for Extended Lifetime
Derya Baran a
a Materials Science and Engineering Program (MSE), Physical Sciences and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955, Saudi Arabia
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV25)
Roma, Italy, 2025 May 12th - 14th
Organizers: Filippo De Angelis, Francesca Brunetti and Claudia Barolo
Keynote, Derya Baran, presentation 189
Publication date: 17th February 2025

Organic and perovskite solar cells face complex degradation mechanisms driven by environmental stressors, intrinsic material instabilities, and interfacial failures. In this talk, I will dissect the fundamental degradation pathways that limit operational lifetimes, from phase segregation and ion migration in perovskites to photochemical instability and morphological evolution in organics. By methodically studying these processes, we can develop strategies that slow down aging, extend lifetime without compromising efficiency. Through our latest research, I will highlight how targeted stabilization strategies, including compositional engineering and interfacial modifications, are assisting for durable, high-performance organic and perovskite solar cells.

This presentation will argue that ‘slow science’—carefully designed studies, FAIR data reporting, mechanistic insights and long-term studies—are critical in an era of accelerated technological development.

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