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Updated: Apr 30, 2026
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
Published on: February 1, 2022
High-performance Hg(2+) FET-type sensors based on reduced graphene oxide-polyfuran nanohybrids
Jin Wook Park1, Seon Joo Park, Oh Seok Kwon
1World Class University (WCU) Program of Chemical Convergence for Energy & Environment (C2E2), School of Chemical and Biological Engineering, College of Engineering, Seoul National University (SNU), Seoul, Korea. jsjang@plaza.snu.ac.kr.
Abstract:
A new type of field-effect transistor (FET) sensor, based on reduced graphene oxide (rGO)-polyfuran (PF) nanohybrids, was strategically developed. The sensing transducer exhibited a rapid response (<1 s) and high sensitivity (10 pM) in a liquid-ion-gated FET-type Hg(2+) sensor. Excellent Hg(2+) discrimination in heavy metal mixtures was also monitored in real time.
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