Publication

Inkjet-printed organic transistors for the detection of gaseous analytes

Nico de Rooij
2013
Posters

Abstract

This work presents the fabrication and characterization of inkjet-printed Organic Field Effect Transistors (OFETs) fabricated on flexible, plastic substrates for the detection of gaseous species. The transistors structure and fabrication process is presented, as well as their electrical characterization. Finally, the integration of biological, gas-sensitive molecules (namely, Odorant Binding Proteins) into the devices active layer is described and their response to specific Volatile Organic Compounds (VOC) is introduced and presented as results for future employment of these transistors in the field of gas sensing

Official source

https://infoscience.epfl.ch/entities/publication/b95f5625-2a51-4a92-96a9-cb63b38998b9

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Nico de Rooij
2013
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b95f5625-2a51-4a92-96a9-cb63b38998b9

About this result

Related concepts (32)

Transistor

A transistor is a semiconductor device used to amplify or switch electrical signals and power. It is one of the basic building blocks of modern electronics. It is composed of semiconductor material, usually with at least three terminals for connection to an electronic circuit. A voltage or current applied to one pair of the transistor's terminals controls the current through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal.

Field-effect transistor

The field-effect transistor (FET) is a type of transistor that uses an electric field to control the flow of current in a semiconductor. FETs (JFETs or MOSFETs) are devices with three terminals: source, gate, and drain. FETs control the flow of current by the application of a voltage to the gate, which in turn alters the conductivity between the drain and source. FETs are also known as unipolar transistors since they involve single-carrier-type operation.

Bipolar junction transistor

A bipolar junction transistor (BJT) is a type of transistor that uses both electrons and electron holes as charge carriers. In contrast, a unipolar transistor, such as a field-effect transistor (FET), uses only one kind of charge carrier. A bipolar transistor allows a small current injected at one of its terminals to control a much larger current flowing between the terminals, making the device capable of amplification or switching. BJTs use two p–n junctions between two semiconductor types, n-type and p-type, which are regions in a single crystal of material.

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Inkjet-printed organic transistors for the detection of gaseous analytes

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