Mitigation of photodecomposition processes in lead halide based solar cells to improve operational stability
Emilio J. Juarez-Perez a
a Energy Materials and Surface Sciences Unit (EMSS), Okinawa Institute of Science and Technology Graduate University (OIST),, 1919-1 Tancha, Onna-son, Okinawa, Japan
International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Benidorm, Spain, 2018 May 28th - 31st
Organizers: Emilio Palomares and Rene Janssen
Oral, Emilio J. Juarez-Perez, presentation 040
DOI: https://doi.org/10.29363/nanoge.hopv.2018.040
Publication date: 21st February 2018

Lead halide based perovskites have emerged as promising active materials for photovoltaic cells. Enormous efforts have been devoted to device fabrication and optimization leading to power conversion efficiencies exceeding 22%, which gives perovskite solar cells the competitive advantage over many other well-known solar technologies. Despite superb efficiencies achieved in laboratory-scale devices, it was soon recognized that long-term stability was rapidly compromised under ambient conditions and such instability could jeopardize the future of perovskite solar cells. [1-3]

In the present communication, main intrinsic stability problems related to the photochemistry of hybrid perovskite are addressed and current strategies to overcome these problems are analyzed.

References

[1] L. K. Ono, E. J. Juarez-Perez, Y. B. Qi, ACS Applied Materials & Interfaces 2017, 10;

[2] S. Wang, Y. Jiang, E. J. Juarez-Perez, L. K. Ono, Y. B. Qi, Nat. Energy 2016, 2, 16195;

[3] E. J. Juarez-Perez, Z. Hawash, S. R. Raga, L. K. Ono, Y. B. Qi, Energy Environ. Sci. 2016, 9, 3406.

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