Proceedings of Online Meetup: Contemporary Stability Challenges in Hybrid Perovskite Photovoltaics (SCHP)
Publication date: 14th April 2020
Perovskite solar cells have shown that they can compete with other PV technologies under controlled laboratory conditions, however, long-term outdoor stability assesments are needed before commercial use. Here, we report on rooftop field testing of perovskite single-junction solar cells. The devices are tracked under maximum power point and weather data are collected over several weeks. In parallel, the changing irradiance and temperature conditions are also investigated under controlled laboratory conditions, where power temperature coefficient of -0.17%/K is extracted. With the help of optical simulations and measured weather data, we are able to model the generated power of our devices and obtain good matching with experimental results. The temperature dependent energy yield can therefore be used to predict energy output or monitor the degradation of devices.
- The paper with the described content is currently under peer review.
- Artiom Magomedov from Kaunas University of Technology and Amran Al-Ashouri (HZB) for developing and optimizing MeO-2PACz HTL
- Kristijan Brecl and Gašper Matič for help with rooftop testing
Funding:
- BMBF: grant no. 03SF0540,
- Slovene Research Agency (ARRS): program P2-0197
- Helmholtz association: project TAPAS
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