3D printing aqueous Ti3C2Tx inks for MXene-based energy devices
MATERIALS ADVANCES(2023)
Abstract
The miniaturization of microenvironments and increasing demands on modern-day electronics have reinvigorated the search for new candidates to meet these needs. The MXene (Mn+1XnTx) family has been seen as the next major player in the field of microelectronics due to the unique combination of superior properties. Incorporating microelectronics in micropatterned structures via simple, cost-efficient processing also increases the possibilities of using them in smart devices and microsystems. This short communication reports the nanoparticle synthesis, suspension processing, and 3D printing of a titanium carbide (Ti3AlC2)-based MXene, with the derivation from its elemental powders. More importantly, the in situ etching method was employed to create a multi-layered MXene (Ti3C2Tx), showing high efficiency in generating delaminated Ti3C2Tx nanosheets. Afterward, water-based Ti3C2Tx inks were examined in varying (i.e., 30 mg mL(-1), 50 mg mL(-1), 100 mg mL(-1), and 200 mg mL(-1)) concentrations for optimized rheologies. An ink-writing-based 3D printing method was then used for micropatterning MXene thin-layers on glass or polymer-coated substrates, demonstrating anisotropic electrical properties over varying strain and energy storage capabilities and showing enormous potential for 3D printable devices.
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Key words
3d printing,mxene-based
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