Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV19)
Publication date: 6th February 2020
Metal halide perovskite have shown to be excellent materials to produce high efficeincy solar cells,1 but also for the development of other opto-electronic devices such as photodetectors,2 optical amplifiers,3 or high performance light emitting diodes (LEDʹs).4 Under operation, these materials increase their temperature what produces modifications in their electrical, optical and in some cases crystalline properties. Some of these changes are reversible and some irreversible what generally yields to the degradation of the devices. Through absorbance and impedance spectroscopy analysis, in this work we show that many of the differences reported for the electro-optical properties of perovskite under different illumination conditions may be attributable to the rise of the temperature of the devices under operation, which may reach values up to 70ºC at an environmental temperature of 25 ºC .
Acknowledgements
MAESTRO project that has resulted in this poster has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 764787. MINECO from Spain is acknowledged for the support under project NASCENT ref. ENE2014-56237-C4-3-R
References
[1] NREL Best Research-Cell Efficiency Chart https://www.nrel.gov/pv/cell-efficiency.html
[2] Y. Fang, Q. Dong, Y. Shao, Y. Yuan and J. Huang, Nature Photonics, 2015, 9, 679.
[3] I. Suárez, E. J. Juárez‐Pérez, J. Bisquert, I. Mora‐Seró and J. P. Martínez‐Pastor, Advanced Materials, 2015, 27, 6157-6162.
[4] Zhang, Q.; Tavakoli, M. M.; Gu, L.; Zhang, D.; Tang, L.; Gao, Y.; Guo, J.; Lin, Y.; Leung, S.-F.; Poddar, S.; Fu, Y.; Fan, Z. Efficient metal halide perovskite light-emitting
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