Beneficial Effects of PbI2 Incorporated in Organo-Lead Halide Perovskite Solar Cells

Beneficial effects are demonstrated by PbI2 incorporated into perovskite materials as a light absorber in solar cells. The PbI2 distributed into the perovskite layers leads to reduced hysteresis and ionic migration, and enables the fabrication of remarkably improved solar cells with a certified powe...

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Bibliographic Details
Published in:Advanced energy materials 2016-02, Vol.6 (4), p.n/a
Main Authors: Kim, Young Chan, Jeon, Nam Joong, Noh, Jun Hong, Yang, Woon Seok, Seo, Jangwon, Yun, Jae S., Ho-Baillie, Anita, Huang, Shujuan, Green, Martin A., Seidel, Jan, Ahn, Tae Kyu, Seok, Sang Il
Format: Article
Language:English
Subjects:
excess PbI2
hybrid solar cells
perovskite materials
solar cells
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Summary:Beneficial effects are demonstrated by PbI2 incorporated into perovskite materials as a light absorber in solar cells. The PbI2 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.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201502104