Perovskite solar cells prepared by vacuum deposition methods.

Alejandra Soriano^a, Michele Sessolo^a, Jorge Avila^a, Lidon Gill^a, Cristina Momblona^a, Henk Bolink^a

International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics 2015 (HOPV15)

Roma, Italy, 2015 May 11th - 13th

Organizer: Filippo De Angelis

Invited Speaker Session, Henk Bolink, presentation 007
Publication date: 5th February 2015

Recently, organic-inorganic perovskites were identified as promising absorbers for solar cells, In the four years since, the performance of the perovskite based solar cells has improved rapidly to reach efficiencies above 20 %. We developed metal oxide free methylammonium lead iodide perovskite cells with high power conversion efficiencies and without hysterisis prepared using vacuum based deposition processes. Also we have shown that these devices operate as LEDs when a voltage is applied. This feature has been used to study the charge recombination processes in the diode. We will present recent developments in these vacuum deposited metal oxide free perovskite solar cells, such as semitransparent, flexible and large are cells as well as insight into their operational mechanism.

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