Keywords
continuous irradiation.
degradation trends
efficiency of devices
hybrid halide perovskites
perovskite solar cells
stability
Abstract
The most common metric of perovskite solar cell stability, namely the time until the device loses 20% of its initial power conversion efficiency (T80), was found to be oversimplified. As a much more reliable tool, a simultaneous analysis of the T80 and T50 metrics can be recommended. This makes it possible to distinguish between the stages of reversible and irreversible degradation of perovskite solar cells by the time until the device loses 20 and 50% of its initial power conversion efficiency, respectively.
Funders
Russian Science Foundation
24-73-00308
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