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Knot Architecture for Biocompatible and Semiconducting Two-Dimensional Electronic Fibre Transistors by Carey, Tian; Maughan, Jack; Doolan, Luke; Caffrey, Eoin; Garcia, James; Liu, Shixin; Kaur, Harneet; Ilhan, Cansu; Seyedin, Shayan; Coleman, Jonathan N. is a scholarly article available to read on EtoBox.

What is Knot Architecture for Biocompatible and Semiconducting Two-Dimensional Electronic Fibre Transistors about?

In recent years, the rising demand for close interaction with electronic devices has led to a surge in the popularity of wearable gadgets. While wearable gadgets have generally been rigid due to their utilisation of silicon-based technologies, flexible semiconducting fibre-based transistors will be needed for future wearables as active sensing components or within microprocessors to manage and analyse data. Two-dimensional (2D) semiconducting flakes are yet to be investigated in fibre transistors but could offer a route toward high-mobility, biocompatible and flexible fibre-based devices. Here we report the electrochemical exfoliation of semiconducting two-dimensional (2D) flakes of tungsten diselenide (WSe2) and molybdenum disulfide (MoS2). The high aspect ratio (>100) of the flakes achieves aligned and conformal flake-to-flake junctions on polyester fibres enabling transistors with mobilities ~ 1 cm^2 V^-1 s^-1 and a current on/off ratio, Ion/Ioff ~ 10^2 - 10^4. Furthermore, the cytotoxic effects of the MoS2 and WSe2 flakes with human keratinocyte cells are investigated and found to be biocompatible. As an additional step, we create a unique transistor knot architecture by levera

Author

Carey, Tian; Maughan, Jack; Doolan, Luke; Caffrey, Eoin; Garcia, James; Liu, Shixin; Kaur, Harneet; Ilhan, Cansu; Seyedin, Shayan; Coleman, Jonathan N.

Published

2023

Language

EN