Proceedings of September Meeting 2016 (NFM16)
Publication date: 14th June 2016
Perovskite solar cells have shown a tremendous rise in power conversion efficiency with record efficiencies report of over 20%. This makes this new technology very promising as low cost alternative to conventional inorganic solar cells. However, currently due to a ‘hysteretic’ behaviour when recording a current-density– voltage curve for many device, which strongly depends on the scan rate, device and measurement history, preparation method, device architecture, etc. the standard measurement protocol used for solar cells does not give reproducible results. However, for commercialization aspect and also for the possibility to compare devices measured in different laboratories, it is necessary to have a measurement method which gives the same results. Here we describe a reliable measurement protocol based on power point tracking. By comparing perovskite solar cells with different architectures, that behave very differently, we demonstrate the effects of "measurement tricks" and show how our protocol gives for all tested cells reliable measurements.
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