Water-based and biocompatible 2D crystal inks for all-inkjet-printed heterostructures
Daryl McManus,Sandra Vranic,Freddie Withers,Veronica Sanchez-Romaguera,Massimo Macucci,Huafeng Yang,Roberto Sorrentino,Khaled Parvez,Seok-Kyun Son,Giuseppe Iannaccone,Kostas Kostarelos,Gianluca Fiori,Cinzia Casiraghi +12 more
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TLDR
A general approach to achieve inkjet-printable, water-based, two-dimensional crystal formulations, which also provide optimal film formation for multi-stack fabrication and in vitro dose-escalation cytotoxicity assays confirm the biocompatibility of the inks, extending their possible use to biomedical applications.Abstract:
Exploiting the properties of two-dimensional crystals requires a mass production method able to produce heterostructures of arbitrary complexity on any substrate. Solution processing of graphene allows simple and low-cost techniques such as inkjet printing to be used for device fabrication. However, the available printable formulations are still far from ideal as they are either based on toxic solvents, have low concentration, or require time-consuming and expensive processing. In addition, none is suitable for thin-film heterostructure fabrication due to the re-mixing of different two-dimensional crystals leading to uncontrolled interfaces and poor device performance. Here, we show a general approach to achieve inkjet-printable, water-based, two-dimensional crystal formulations, which also provide optimal film formation for multi-stack fabrication. We show examples of all-inkjet-printed heterostructures, such as large-area arrays of photosensors on plastic and paper and programmable logic memory devices. Finally, in vitro dose-escalation cytotoxicity assays confirm the biocompatibility of the inks, extending their possible use to biomedical applications. Device fabrication can be realized via inkjet printing of water-based 2D crystals.read more
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Additive-free MXene inks and direct printing of micro-supercapacitors
Chuanfang John Zhang,Lorcan McKeon,Matthias P. Kremer,Sang-Hoon Park,Oskar Ronan,Andrés Seral-Ascaso,Sebastian Barwich,Cormac Ó Coileáin,Niall McEvoy,Hannah C. Nerl,Babak Anasori,Jonathan N. Coleman,Yury Gogotsi,Valeria Nicolosi +13 more
TL;DR: Highly concentrated, additive-free, aqueous and organic MXene-based inks that can be used for high-resolution extrusion and inkjet printing are reported.
Journal ArticleDOI
Electrically-Transduced Chemical Sensors Based on Two-Dimensional Nanomaterials
TL;DR: Key advances in the application of 2D materials, from both a historical and analytical perspective, are summarized for four different groups of analytes: gases, volatile compounds, ions, and biomolecules.
Journal ArticleDOI
Preparation of 2D material dispersions and their applications
TL;DR: In this review, the different exfoliation approaches are systematically analyzed from the viewpoint of methodology, and the advantages and disadvantages of each method are compared.
Journal ArticleDOI
All-printed thin-film transistors from networks of liquid-exfoliated nanosheets.
Adam G. Kelly,Toby Hallam,Claudia Backes,Andrew Harvey,Amir Sajad Esmaeily,Ian Godwin,João Coelho,Valeria Nicolosi,Jannika Lauth,Aditya Kulkarni,Sachin Kinge,Laurens D. A. Siebbeles,Georg S. Duesberg,Georg S. Duesberg,Jonathan N. Coleman +14 more
TL;DR: Using electrolytic gating, this work demonstrates all-printed, vertically stacked transistors with graphene source, drain, and gate electrodes, a transition metal dichalcogenide channel, and a boron nitride separator, all formed from nanosheet networks.
Journal ArticleDOI
Functional inks and printing of two-dimensional materials.
Guohua Hu,Joohoon Kang,Leonard W. T. Ng,Xiaoxi Zhu,Richard C. T. Howe,Christopher G. Jones,Mark C. Hersam,Tawfique Hasan +7 more
TL;DR: In this review, the current progress on ink formulation of two-dimensional materials and the printable applications enabled by them are summarized and perspectives on their research and technological future prospects are presented.
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