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Liqiang Li, Peng Gao, Martin Baumgarten, Klaus Müllen, Nan Lu, Harald Fuchs and Lifeng Chi High Performance Field-Effect Ammonia Sensors Based on a Structured Ultrathin Organic Semiconductor Film Advanced Materials 25

Version of Record online: 21 MAY 2013 | DOI: 10.1002/adma.201301138

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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.

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