Water based, defect free and biocompatible 2D materials inks enabled by supramolecular chemistry

cinzia casiraghi^a

^aDepartment of chemistry, University of Manchester, UK

Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS23 & Sustainable Technology Forum València (STECH23) (MATSUS23)

#2DSUSY - 2D Nanomaterials for Sustainable Energy

VALÈNCIA, Spain, 2023 March 6th - 10th

Organizers: Maria Antonia Herrero Chamorro and Maurizio Prato

Invited Speaker, cinzia casiraghi, presentation 223
DOI: https://doi.org/10.29363/nanoge.matsus.2023.223
Publication date: 22nd December 2022

2D materials shows great promise for use in flexible electronics because their atomic thickness allows for maximum electrostatic control, optical transparency, sensitivity and mechanical flexibility. In addition, different 2D crystals can be easily combined in one stack, offering unprecedented control on the performance and functionalities of the resulting heterostructure device [3]. Solution processing of 2D materials allows simple and low-cost techniques, such as ink-jet printing, to be used for fabrication of heterostructure-based devices of arbitrary complexity.

Our group has developed highly concentrated, defect-free, biocompatible and inkjet printable and water-based 2D crystal formulations, by exploiting a supramolecular approach based on non-covalent functionalization of 2D materials with pyrene derivatives [1]. Examples of printed heterostructures, such as arrays of photosensors, programmable logic memories, transistors and memristors will be discussed [2-3]. I will show that inkjet printing can be easily combined with semiconducting 2D materials produced by chemical vapor deposition, allowing simple and quick fabrication of complex circuits on paper, compatible with CMOS technology [4-5] and also offers a simple way to integrate 2D materials into Si-based technology [6].

References:

[1] Chen-Xia Hu, Yuyoung Shin, Oliver Read, Cinzia Casiraghi, Dispersant-assisted liquid-phase exfoliation of 2D materials beyond graphene, Nanoscale, 2021, 13, 460

[2] McManus, D., Vranic, S., Withers, F. et al. Water-based and biocompatible 2D crystal inks for all-inkjet-printed heterostructures. Nature Nanotech 12, 343–350 (2017)

[3] Shiheng Lu Shiheng Lu Department of Electrical and Computer Engineering, Duke University, Durham, North Carolina 27708, United States More by Shiheng Lu Orcidhttp://orcid.org/0000-0002-5323-7787 , Jorge A. Cardenas, Robyn Worsley, Nicholas X. Williams, Joseph B. Andrews, Cinzia Casiraghi, and Aaron D. Franklin, Flexible, Print-in-Place 1D–2D Thin-Film Transistors Using Aerosol Jet Printing, ACS Nano 2019, 13, 10, 11263–11272

[4] Silvia Conti, Lorenzo Pimpolari, Gabriele Calabrese, Robyn Worsley, Subimal Majee, Dmitry K Polyushkin, Matthias Paur, Simona Pace, Dong Hoon Keum, Filippo Fabbri, Giuseppe Iannaccone, Massimo Macucci, Camilla Coletti, Thomas Mueller, Cinzia Casiraghi, Gianluca Fiori, Low-voltage 2D materials-based printed field-effect transistors for integrated digital and analog electronics on paper. Nat Commun 11, 3566 (2020)

[5] Brunetti, I., Pimpolari, L., Conti, S. et al. Inkjet-printed low-dimensional materials-based complementary electronic circuits on paper. npj 2D Mater Appl 5, 85 (2021).

[6] Alessandro Grillo, Zixing Peng, Aniello Pelella, Antonio Di Bartolomeo, Cinzia Casiraghi, Etch and Print: Graphene-Based Diodes for Silicon Technology, in press

Acknowledgements:

This work is partially supported by the EC in the framework of the projects ERC PEP2D (Contract No. 770047), and the Graphene Flagship Core3 (Contract No. 881603).

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