Identifying Fundamental Limitations in Halide Perovskite Solar Cells

Wei Lin Leong, Zi En Ooi, Dharani Sabba, Chenyi Yi, Shaik M. Zakeeruddin, Michael Graetzel, Jeffrey M. Gordon, Eugene A. Katz, Nripan Mathews

Research output: Contribution to journalArticlepeer-review

96 Scopus citations


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.

Original languageEnglish
Pages (from-to)2439-2445
Number of pages7
JournalAdvanced Materials
Issue number12
StatePublished - 23 Mar 2016


  • carrier recombination
  • perovskites
  • solar cells


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