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Halide Perovskites: Reversible, Fast, and Wide‐Range Oxygen Sensor Based on Nanostructured Organometal Halide Perovskite (Adv. Mater. 38/2017)
Author(s) -
Stoeckel MarcAntoine,
Gobbi Marco,
Bonacchi Sara,
Liscio Fabiola,
Ferlauto Laura,
Orgiu Emanuele,
Samorì Paolo
Publication year - 2017
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.201770279
Subject(s) - halide , perovskite (structure) , materials science , oxygen , oxygen sensor , optoelectronics , inorganic chemistry , nanotechnology , chemical engineering , chemistry , organic chemistry , engineering
In article number 1702469 , Emanuele Orgiu, Paolo Samorì, and co‐workers find that oxygen gas induces a colossal change in the electrical current flowing through a hybrid organic–inorganic perovskite. Some atoms in the perovskite structure are missing, creating reactive vacancies that can be filled by the oxygen present in the environment. The electrical properties of the material are sensitive to such vacancy filling, making this perovskite a highly sensitive and fast oxygen sensor.