Low-voltage organic field-effect transistor with screen-printed carbon electrodes

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Abstract
This paper presents a carbon-based organic field-effect transistor (OFET) developed using screen printing. Carbon materials are electrically conductive, chemically stable, and durable in outdoor settings, rendering carbon-based OFETs highly promising for environmental, Internet of Things, and biosensing applications. However, their temperature-dependent characteristics remain unexplored. We demonstrated carbon-based OFETs operating at 3 V and evaluated their electrical performance across a temperature range relevant to practical environments. By incorporating the observed temperature characteristics into a device simulation model, we achieved excellent reproducibility in circuit simulations. This study advances the understanding and future development of environmentally friendly, printed electronic devices.

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