ArticleSensors (Basel, Switzerland)2026
CNT Network Impacts on Electrolyte-Gated Carbon Nanotube Field-Effect Transistors pH Sensors.
Article in Sensors (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Carbon nanotube field-effect transistors (CNT-FETs) are promising platforms for electrolyte-gated sensing, although the influence of CNT network density on device performance for pH measurements remains unknown. In this work, CNT-FETs with controlled network densities were fabricated from aqueous CNT solutions by varying the CNT concentration and the deposition time. Increasing CNT density improved conductivity, reducing channel resistance from the GΩ range to ~100 kΩ and increasing the on-current of electrolyte-gated devices from ~10 nA to ~1 µA. The fabricated CNT-FETs operating in a liquid-gated configuration exhibited on/off ratios ranging between 10
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