Beneficial Effects of PbI 2 Incorporated in Organo-Lead Halide Perovskite Solar Cells

Young Chan Kim, Nam Joong Jeon, Jun Hong Noh, Woon Seok Yang, Jangwon Seo, Jae S. Yun, Anita Ho-Baillie, Shujuan Huang, Martin A. Green, Jan Seidel, Tae Kyu Ahn, Sang Il Seok

Research output: Contribution to journalArticle

273 Citations (Scopus)

Abstract

Beneficial effects are demonstrated by PbI 2 incorporated into perovskite materials as a light absorber in solar cells. The PbI 2 distributed into the perovskite layers leads to reduced hysteresis and ionic migration, and enables the fabrication of remarkably improved solar cells with a certified power conversion efficiency of 19.75% under air-mass 1.5 global (AM 1.5G) illumination of 100 mW cm -2 intensity.

Original languageEnglish
Article number1502104
JournalAdvanced Energy Materials
Volume6
Issue number4
DOIs
Publication statusPublished - 2016 Feb 18
Externally publishedYes

Keywords

  • excess PbI
  • hybrid solar cells
  • perovskite materials
  • solar cells

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

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    Kim, Y. C., Jeon, N. J., Noh, J. H., Yang, W. S., Seo, J., Yun, J. S., Ho-Baillie, A., Huang, S., Green, M. A., Seidel, J., Ahn, T. K., & Seok, S. I. (2016). Beneficial Effects of PbI 2 Incorporated in Organo-Lead Halide Perovskite Solar Cells Advanced Energy Materials, 6(4), [1502104]. https://doi.org/10.1002/aenm.201502104