Jammed MXene Interfaces in Reconfigurable Electronics

Study: All-Liquid Reconfigurable Electronics Using Jammed MXene Interfaces. Image Credit: Marko Aliaksandr/Shutterstock.com

The rigidity of solid-state electronics results in physical and temporal stability, yet this stability also serves as the primary detriment for the complete life-cycle reuse of these electronics. Although many recent studies using flexible polymer platforms provide application benefits such as wearable and adaptable electronics, they do nothing to tackle these reconfigurability or renewability issues.

These techniques take advantage of the metallic characteristics of liquid metal alloys for effective electrical transmission and often encapsulate the devices in polymers to provide them with a usable form factor. While promising, such designs continue to use traditional solid-state electronics layouts that need a solid platform or enclosing medium to give shape to the device.

In this study, the researchers built electronic components and circuits inside insulating liquids using MXene nanosheets functionalized with a butylamine ligand. Electrically conducting MXene nanosheets self-assemble and clog at liquid-liquid interfaces to form conducting channels. Butylamine ligands absorbed in toluene react with liquid MXene nanosheets and aggregate at the toluene-water interface.

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