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Electrolyte-Gated Organic Field-Effect Transistor for Selective Reversible Ion Detection

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Abstract

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An ion-sensitive electrolyte-gated organic field-effect transistor for selective and reversible detection of sodium (Na+) down to 10−6 M is presented. The inherent low voltage – high current operation of these transistors in combination with a state-of-the-art ion-selective membrane proves to be a novel, versatile modular sensor platform.

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