Measurement of carrier lifetime in perovskite for solar cell applications

Hybrid perovskite photovoltaics (PV) show promise because of their good efficiencies, which can be around 20%. Along with their PV characteristics, perovskite materials exhibit a high degree of radiative
recombination. The apparent carrier lifetimes can be several hundreds of nanoseconds; and the longerlived he photoluminescence decay, the greater the efficiency of the material. Thus, the use of time-resolved luminescence with HORIBA TCSPC instrumentation provides a suitable means by which to monitor the efficiencies of this type of material for photovoltaic applications, as well as to uncover the presence of doping anomalies and trapping by deviation from single exponential decay kinetics.

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