Abstract
The remarkably high open-circuit voltage of methylammonium lead iodide perovskite solar cells is investigated. Both the theoretical maximum and the real open-circuit voltage are predicted from electroluminescence and photovoltaic external quantum efficiency spectra. Radiative and non-radiative recombination are quantified, where a source of non-radiative recombination is found in the mesoscopic structure, independent of the Al2O3 or TiO2 scaffold. Without a hole-transport layer, non-radiative recombination is strongly enhanced, which reduces the open-circuit voltage.
| Original language | English |
|---|---|
| Article number | 1400812 |
| Journal | Advanced Energy Materials |
| Volume | 5 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1 Feb 2015 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- luminescence
- open-circuit voltage
- perovskites
- radiative recombination
- solar cells
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