Electronic Level Alignment in Inverted Organometal Perovskite Solar Cells

Philip Schulz, Luisa L. Whittaker-Brooks, Bradley A. Macleod, Dana C. Olson, Yueh Lin Loo, Antoine Kahn

Research output: Contribution to journalArticlepeer-review

167 Scopus citations


The measured energy diagram for inverted cell architectures for perovskite photovoltaic devices is presented. Band offsets are determined in direct and inverse photoemission spectroscopy. The perovskite films assume a slightly p-type characteristic on top of NiO and show good energetic alignment to adjacent organic electron transport layers. The finding explains the function of inverted devices and gives guidelines for optimization.

Original languageEnglish (US)
Article number1400532
JournalAdvanced Materials Interfaces
Issue number7
StatePublished - May 6 2015

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering


  • electronic structures/processes/mechanisms
  • hybrid materials
  • photovoltaic devices


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