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Beneficial Effects of PbI 2 Incorporated in Organo‐Lead Halide Perovskite Solar Cells
Author(s) -
Kim Young Chan,
Jeon Nam Joong,
Noh Jun Hong,
Yang Woon Seok,
Seo Jangwon,
Yun Jae S.,
HoBaillie Anita,
Huang Shujuan,
Green Martin A.,
Seidel Jan,
Ahn Tae Kyu,
Seok Sang Il
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201502104
Subject(s) - perovskite (structure) , materials science , halide , fabrication , energy conversion efficiency , lead (geology) , optoelectronics , engineering physics , chemical engineering , inorganic chemistry , physics , chemistry , engineering , medicine , alternative medicine , pathology , geomorphology , geology
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.