期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 54, 期 43, 页码 12562-12576出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201502615
关键词
capacitance; chiral resolution; organic transistors; sensors; thermodynamics
资金
- PON project Laboratorio per lo Sviluppo Integrato delle Scienze e delle Tecnologie dei Materiali Avanzati e per dispositivi innovativi -LABORATORIO SISTEMA, Sense-of-care-OFET biosensors for point-of-care applications [PITN-GA-2012-316845]
- PON project Laboratorio per lo Sviluppo Integrato delle Scienze e delle Tecnologie dei Materiali Avanzati e per dispositivi innovativi -LABORATORIO SISTEMA, OrgBIO-Organic Bioelectronics [PITN-GA-2013-607896]
Thin-film transistors can be used as high-performance bioelectronic devices to accomplish tasks such as sensing or controlling the release of biological species as well as transducing the electrical activity of cells or even organs, such as the brain. Organic, graphene, or zinc oxide are used as convenient printable semiconducting layers and can lead to high-performance low-cost bioelectronic sensing devices that are potentially very useful for point-of-care applications. Among others, electrolyte-gated transistors are of interest as they can be operated as capacitance-modulated devices, because of the high capacitance of their charge double layers. Specifically, it is the capacitance of the biolayer, being lowest in a series of capacitors, which controls the output current of the device. Such an occurrence allows for extremely high sensitivity towards very weak interactions. All the aspects governing these processes are reviewed here.
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