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High Performance Field‐Effect Ammonia Sensors Based on a Structured Ultrathin Organic Semiconductor Film
Author(s) -
Li Liqiang,
Gao Peng,
Baumgarten Martin,
Müllen Klaus,
Lu Nan,
Fuchs Harald,
Chi Lifeng
Publication year - 2013
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.201301138
Subject(s) - organic field effect transistor , materials science , semiconductor , nanotechnology , field effect transistor , organic semiconductor , field effect , transistor , field (mathematics) , optoelectronics , electrical engineering , voltage , engineering , mathematics , pure mathematics
High performance organic field‐effect transistor (OFET)‐based ammonia sensors are demonstrated with ultrathin (4–6 molecular layers) dendritic microstripes of an organic semiconductor prepared via dip‐coating. These sensors exhibit high sensitivity, fast response/recovery rate, good selectivity, low concentration detection ability, and reliable reversibility, as well as stability. Such a performance represents great progress in the field of OFET‐based sensors.