Evaluation of Metal Oxide Thin-Film Electrolyte-Gated Field Effect Transistors for Glucose Monitoring in Small Volume of Body Analytes

Hojoong Kim, You Seung Rim, Jang Yeon Kwon

Research output: Contribution to journalArticle

Abstract

Monitoringof chronic diseases such as diabetes without painful detection from blood enables people to improve their quality of life. Although various nanomaterials have remarkable characteristics that allow them to be used, the complexity of reliable fabrication is still challenging for their real applications. By using InGaZnO, simply deposited as thin-film structure, combined with electrolyte-gated field-effect transistors, highly sensitive sensing performance was demonstrated. The sensor characteristics were evaluated on the device level in various concentration of pH and glucose. It also exhibited good sensing capability in a high ionic solution over the screening effect with low interference among potential impediments for glucose. The sensing range and detection limit of device represent that sensing glucose in tear level could be practicable.

Original languageEnglish
Article number9069179
Pages (from-to)9004-9010
Number of pages7
JournalIEEE Sensors Journal
Volume20
Issue number16
DOIs
Publication statusPublished - 2020 Aug 15

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

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