Functional 2D MXene Inks for Wearable Electronics

Abstract

Inks printing is an innovative and practicable technology capable of fabricating the next generation of flexible functional systems with various designs and desired architectures. As a result, inks printing is extremely attractive in the development of printed wearables, including wearable sensors, micro supercapacitor (MSC) electrodes, electromagnetic shielding, and thin-film batteries. The discovery of Ti3C2Tx in 2011, a 2D material known as a MXene, which is a compound composed of layered nitrides, carbides, or carbonitrides of transition metals, has attracted significant interest within the research community because of its exceptional physical and chemical properties. MXene has high metallic conductivity of transition metal carbides combined with hydrophilic behavior due to its surface terminated functional groups, all of which make it an excellent candidate for promising inks printing applications. This paper reviews recent progress in the development of 2D MXene inks, including synthesis procedures, inks formulation and performance, and printing methods. Further, the review briefly provides an overview of future guidelines for the study of this new generation of 2D materials.

Papertronics: Marriage between Paper and Electronics Becoming a Real Scenario in Resource-Limited Settings

“…20 6 3D nanomaterial (MXenes) printing technology MXene possesses strong transition-metal carbide metallic conductivity mixed with hydrophilic behavior because of its surface terminal functional groups, making it a good choice for potential ink-printing applications. 21 7 liquid-metal ink pen-writing process This ink is a relatively novel type of ink. Zhang et al 22 were the first to show its kinds and uses, and it is known as DREAM ink, which is an abbreviation for the direct writing of electronics based on alloy and metal ink.…”

Emerging Research in Conductive Materials for Fused Filament Fabrication: A Critical Review

“…Moreover, printing should be completed at room temperature, and particular care should be paid to creating a printable formulation which retains its surface tension in order to prevent drips leading to poor printing. [ 283 ]…”

“…Moreover, printing should be completed at room temperature, and particular care should be paid to creating a printable formulation which retains its surface tension in order to prevent drips leading to poor printing. [283] In spite of these difficulties, promising contributions in the literature suggest that MXenes may soon find some potential applicability in the melt extrusion method that is at the heart of FFF. For example, polymeric composites of TPU combined with MXene fillers have been obtained using a melt-based process such as compression molding [284] and melt blending, [281] and other composites of PVDF/MXene have been produced using solution mixing followed by injection molding at 190 C in order to fabricate a piezoelectric generator.…”

MXene wearables: properties, fabrication strategies, sensing mechanism and applications

“…Several articles have been published detailing the aspects of MXene based sensors and wearables. [14][15][16][17][18][19][20] While these articles made efforts to cover all strands from materials to applications, the vastness of MXene wearables forced them to revolve around specific sections. As it is impossible to cover every detail under single review, we have contributed our part by addressing a few aspects which were not covered in detail in earlier papers.…”