Biomimicking Stretchable Organic Electrochemical Transistor

Yuanzhe Li, Naixiang Wang, Anneng Yang, Haifeng Ling, Feng Yan

Research output: Journal article publicationJournal articleAcademic researchpeer-review

7 Citations (Scopus)

Abstract

Stretchable organic electrochemical transistors (OECTs) can find applications in wearable electronics for biosensing. However, the existing fabrication methods are either inconvenient or expensive. Here, a novel method to fabricate stretchable OECTs based on biomimicking polydimethylsiloxane substrates is reported. The substrate pattern is transferred from the bract of Bougainvillea glabra, demonstrating a 2D wavy structure. To further enhance the stretchability of the Au electrodes of the devices on the wavy surface, a highly conductive polymer film is coated on the Au surface by inkjet printing to bridge disconnected parts separated by cracks. The obtained OECTs demonstrate omnidirectional stretchability up to 30% and a bending radius down to 15 mm with stable performance. Stretchable glucose sensors with a detection limit around 1 µm are developed based on the biomimicking stretchable OECTs, which are sensitive enough for detecting glucose levels in body fluids.

Original languageEnglish
Article number1900566
JournalAdvanced Electronic Materials
Volume5
Issue number10
DOIs
Publication statusPublished - 1 Oct 2019

Keywords

  • biomimicking
  • flexible electronics
  • glucose detection
  • organic electrochemical transistors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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