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Understanding the Impact of Bromide on the Photovoltaic Performance of CH 3 NH 3 PbI 3 Solar Cells
Author(s) -
Ibrahim Dar M.,
AbdiJalebi Mojtaba,
Arora Neha,
Moehl Thomas,
Grätzel Michael,
Nazeeruddin Mohammad Khaja
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201503124
Subject(s) - materials science , photovoltaic system , bromide , engineering physics , photovoltaics , inorganic chemistry , chemical engineering , electrical engineering , chemistry , engineering
An optimum amount of lead bromide (1%) can enhance the power conversion efficiency of CH 3 NH 3 PbI 3− x Br x (where x ≈ 0) devices from 14.7% to 16.9% without altering the bandgap of the perovskite material.