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Proceedings Paper

Photoinduced processes in lead iodide perovskite solid-state solar cells
Author(s): Arianna Marchioro; Jan C. Brauer; Joël Teuscher; Michael Grätzel; Jacques-E. Moser
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Paper 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.

Paper Details

Date Published: 11 September 2013
PDF: 6 pages
Proc. SPIE 8811, Physical Chemistry of Interfaces and Nanomaterials XII, 881108 (11 September 2013); doi: 10.1117/12.2023003
Show Author Affiliations
Arianna Marchioro, École Polytechnique Fédérale de Lausanne (Switzerland)
Jan C. Brauer, École Polytechnique Fédérale de Lausanne (Switzerland)
Joël Teuscher, École Polytechnique Fédérale de Lausanne (Switzerland)
Michael Grätzel, École Polytechnique Fédérale de Lausanne (Switzerland)
Jacques-E. Moser, École Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 8811:
Physical Chemistry of Interfaces and Nanomaterials XII
Natalie Banerji; Carlos Silva, Editor(s)

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