Journal
APPLIED PHYSICS LETTERS
Volume 106, Issue 9, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4914086
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Funding
- MEXT Program for Development of Environmental Technology using Nanotechnology (GREEN)
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Electronic properties of perovskite lead-halide photovoltaic cells have been studied. The dc current/voltage characteristics were found to be well fitted by a standard diode equation under optical excitation and in the dark, while the impedance spectroscopy revealed a pronounced slow process under light illumination, which is absent in the dark. A simple model is proposed, which can explain all aspects of the observed behavior quantitatively and consistently. (C) 2015 AIP Publishing LLC.
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