Photoinduced processes in lead iodide perovskite solid-state solar cells

Arianna Marchioro; Jan C. Brauer; Joël Teuscher; Michael Grätzel; Jacques-E. Moser

doi:10.1117/12.2023003

11 September 2013 Photoinduced processes in lead iodide perovskite solid-state solar cells

Arianna Marchioro, Jan C. Brauer, Joël Teuscher, Michael Grätzel, Jacques-E. Moser

Proceedings Volume 8811, Physical Chemistry of Interfaces and Nanomaterials XII; 881108 (2013) https://doi.org/10.1117/12.2023003
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

Abstract

Organic-inorganic hybrid systems based on lead halide compounds have recently encountered considerable success as light absorbers in solid-state solar cells. Herein we show how fundamental mechanistic processes in mesoporous oxide films impregnated with CH₃NH₃PbI₃ can be investigated by time resolved techniques. In particular, charge separation reactions such as electron injection into the titanium dioxide film and hole injection into the hole transporting material spiro-OMeTAD as well as the corresponding charge recombination reactions were scrutinized. Femtosecond transient absorption spectroscopy and time-resolved terahertz spectroscopy were applied to CH₃NH₃PbI₃ deposited either on TiO₂ or Al₂O₃ mesoporous films and infiltrated with the hole transporting material spiro-OMeTAD.

Citation Download Citation

Arianna Marchioro, Jan C. Brauer, Joël Teuscher, Michael Grätzel, and Jacques-E. Moser "Photoinduced processes in lead iodide perovskite solid-state solar cells", Proc. SPIE 8811, Physical Chemistry of Interfaces and Nanomaterials XII, 881108 (11 September 2013); https://doi.org/10.1117/12.2023003

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