Functional inks and extrusion-based 3D printing of 2D materials: a review of current research and applications

Abstract

Graphene and related 2D materials offer an ideal platform for next generation disruptive technologies and in particular the potential to produce printed electronic devices with low cost and high throughput....

2D material hybrid heterostructures: achievements and challenges towards high throughput fabrication

“…The emergence of solution processed 2D materials and ink formulation 43,44,47,49,50,[64][65][66] has enabled their value-added harnessing into established coating and printing technologies, offering the promise of their automatised (i.e., consistent), scalable manufacturing and device integration (e.g., (opto)electronics, photonics, energy storage, sensing, etc.). 44,67 Coating and printing technologies, including spray coating, 68 inkjet printing, 69 and extrusion-based 3D printing, 70 have evolved to implement 2DMs-based device manufacturing with high homogeneity and resolution, by adapting their printing components and processes to 2DMs inks.…”

“…44,67 Coating and printing technologies, including spray coating, 68 inkjet printing, 69 and extrusion-based 3D printing, 70 have evolved to implement 2DMs-based device manufacturing with high homogeneity and resolution, by adapting their printing components and processes to 2DMs inks. 47 In parallel, since the first example of inkjet-printed graphene-based flexible electronics reported in 2011, 71 sustainable progress (e.g., shift to non-toxic, volatile solvents, conscious choice and use of additives and binders, etc.) in functional ink formulation enabled optimisation of the 2DMs inks fluidic characteristics to match the printing requirements of the manufacturing platforms (e.g., viscosity, volatility, wettability, viscoelasticity, etc.)…”

“…45 Satisfactory and reliable performance among large scale productions is an essential requirement for the deployment of 2DMs in commercialisable products. 46 The formulation of solution processable 2D materials into inks, 44,[47][48][49][50] has eventually enabled the controlled (i.e., thickness, dimension, roughness, etc.) "functional" deposition (i.e., structure able to perform a function) of 2DMs, exploiting established printing and coating technologies.…”

High-Performance Temperature Sensor by Employing Screen Printing Technology

“…Screen printing technology refers to a film preparation method that is characterized by simple technology, low cost and easy mass production. By integrating different printing pastes and supporting objects, various functional films can be prepared, which lays the basis for developing high-performance sensors or devices [ 11 , 12 , 13 ].…”

The Effect of Bionic 3D Printed Structure Morphology on Skin Friction

“…And the surface roughness of dragonfly wings is the hierarchical complex geometries and tiny dimensions which limits the investigations especially the environmental experiments. However, with the development of the additive manufacture (AM) technologies [24][25][26][27][28][29][30][31][32][33][34][35], it becomes possible to carry out the effects of biological bionic wing microstructure on the biomechanical behaviors including the multi-levels and multi-scales as well as multimaterials, even if there are still some challenges in micro/nano scales considering the effect of surface roughness on the skin friction. In addition, the skin friction of insect wing in flight process is strongly dependent on the Reynolds number (Re) which indicates the ratio between the inertial force and the viscous force of the flow.…”