2022
DOI: 10.1002/viw.20200115
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Recent progress in organic field‐effect transistor‐based chem/bio‐sensors

Abstract: Recent decades have witnessed the huge successes of organic field‐effect transistors (OFETs) and their applications. Among them, OFET‐based sensors have shown promising applications in the field of food safety, industrial security, environmental, and health monitoring. This is due to their advantages in solution processability, flexibility, light weight, and variety in molecular design. This review highlights recent progress in OFET‐based chemical and biological sensors in gas and liquid phase, especially for … Show more

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Cited by 48 publications
(33 citation statements)
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References 133 publications
(161 reference statements)
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“…Flexibility and stretchability have proven OFETs to be the most appropriate candidates for wearable devices and even biosensors when combined with biocompatibility and biodegradability. , They can also be used as chemosensors. Analytes interact with the active layer and/or its interface with other layers when exposed to the environment, modulating their channel conductivity . All of these versatile OFETs are built in the style of metal oxide semiconductor field-effect transistors (MOSFETs) (Figure a).…”
Section: Applicationsmentioning
confidence: 99%
See 1 more Smart Citation
“…Flexibility and stretchability have proven OFETs to be the most appropriate candidates for wearable devices and even biosensors when combined with biocompatibility and biodegradability. , They can also be used as chemosensors. Analytes interact with the active layer and/or its interface with other layers when exposed to the environment, modulating their channel conductivity . All of these versatile OFETs are built in the style of metal oxide semiconductor field-effect transistors (MOSFETs) (Figure a).…”
Section: Applicationsmentioning
confidence: 99%
“…Analytes interact with the active layer and/or its interface with other layers when exposed to the environment, modulating their channel conductivity. 114 All of these versatile OFETs are built in the style of metal oxide semiconductor field-effect transistors (MOSFETs) (Figure 10a). Regardless of the four MOSFET structure types, the working principle of OFETs is the same; applying a gate bias voltage results in the polarization of a dielectric layer, accumulating charges on a semiconductor− dielectric interface, and allowing current to flow in the presence of a voltage applied to the drain (Figure 10b).…”
Section: Applicationsmentioning
confidence: 99%
“…For these reasons, polymer-based transistor sensors constitute the scope of this review. The literature reporting polymer responses to vapors is extensive, and has been reviewed several times in recent years. Some of this literature includes small-molecule organic semiconductors.…”
Section: Introductionmentioning
confidence: 99%
“…This includes organic field-effect transistors (OFETs), light-emitting diodes (OLEDs), organic electrochemical transistors, chemical, gas and biological sensors, and photovoltaic devices (OPVs). [1][2][3][4][5][6][7][8][9][10] The advantage of organic semiconductors over inorganic ones is the flexibility, transparency and the ability for deposition through inexpensive solution-based techniques. 11 In addition, tuning the molecular properties through structure modification via functionalization allows obtaining appropriate properties of compounds for their further application.…”
Section: Introductionmentioning
confidence: 99%