Identifying Fundamental Limitations in Halide Perovskite Solar Cells

The temperature dependence of the principal photovoltaic parameters of perovskite photovoltaics is studied. The recombination activation energy is in good agreement with the perovskite's bandgap energy, thereby placing an upper bound on the open‐circuit voltage. The photocurrent increases moder...

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Bibliographic Details
Published inAdvanced materials (Weinheim) Vol. 28; no. 12; pp. 2439 - 2445
Main Authors Leong, Wei Lin, Ooi, Zi‐En, Sabba, Dharani, Yi, Chenyi, Zakeeruddin, Shaik M., Graetzel, Michael, Gordon, Jeffrey M., Katz, Eugene A., Mathews, Nripan
Format Journal Article
LanguageEnglish
Published Germany 23.03.2016
Subjects
carrier recombination
Electric potential
Perovskites
Photocurrent
Photovoltaic cells
Placing
Solar cells
Temperature dependence
Voltage
perovskites
carrier recombination
solar cells
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Summary:The temperature dependence of the principal photovoltaic parameters of perovskite photovoltaics is studied. The recombination activation energy is in good agreement with the perovskite's bandgap energy, thereby placing an upper bound on the open‐circuit voltage. The photocurrent increases moderately with temperature and remains high at low temperature, reinforcing that the cells are not hindered by insufficient thermally activated mobility or carrier trapping by deep defects.
Bibliography:ObjectType-Article-1
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content type line 23
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201505480