Guohua Hu
A general ink formulation of 2d crystals for wafer-scale inkjet printing
Hu, Guohua; Yang, Lisong; Yang, Zongyin; Wang, Yubo; Jin, Xinxin; Dai, Jie; Wu, Qing; Liu, Shouhu; Zhu, Xiaoxi; Wang, Xiaoshan; Wu, Tien-Chun; Howe, Richard C.T.; Albrow-Owen, Tom; Ng, Leonard W.T.; Yang, Qing; Occhipinti, Luigi G.; Woodward, Robert I.; Kelleher, Edmund J.R.; Sun, Zhipei; Huang, Xiao; Zhang, Meng; Bain, Colin D.; Hasan, Tawfique
Authors
Dr Lisong Yang lisong.yang@durham.ac.uk
Research Associate
Dr Lisong Yang lisong.yang@durham.ac.uk
Research Associate
Yubo Wang
Xinxin Jin
Jie Dai
Qing Wu
Shouhu Liu
Xiaoxi Zhu
Xiaoshan Wang
Tien-Chun Wu
Richard C.T. Howe
Tom Albrow-Owen
Leonard W.T. Ng
Dr Lisong Yang lisong.yang@durham.ac.uk
Research Associate
Luigi G. Occhipinti
Robert I. Woodward
Edmund J.R. Kelleher
Zhipei Sun
Xiao Huang
Meng Zhang
Professor Colin Bain c.d.bain@durham.ac.uk
Pro-Vice-Chancellor (Research)
Tawfique Hasan
Abstract
Recent advances in inkjet printing of two-dimensional (2D) crystals show great promise for next-generation printed electronics development. Printing nonuniformity, however, results in poor reproducibility in device performance and remains a major impediment to their large-scale manufacturing. At the heart of this challenge lies the coffee-ring effect (CRE), ring-shaped nonuniform deposits formed during postdeposition drying. We present an experimental study of the drying mechanism of a binary solvent ink formulation. We show that Marangoni-enhanced spreading in this formulation inhibits contact line pinning and deforms the droplet shape to naturally suppress the capillary flows that give rise to the CRE. This general formulation supports uniform deposition of 2D crystals and their derivatives, enabling scalable and even wafer-scale device fabrication, moving them closer to industrial-level additive manufacturing.
Citation
Hu, G., Yang, L., Yang, Z., Wang, Y., Jin, X., Dai, J., …Hasan, T. (2020). A general ink formulation of 2d crystals for wafer-scale inkjet printing. Science Advances, 6(33), Article eaba5029. https://doi.org/10.1126/sciadv.aba5029
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 2, 2020 |
Online Publication Date | Aug 12, 2020 |
Publication Date | Aug 12, 2020 |
Deposit Date | Jul 6, 2020 |
Publicly Available Date | Aug 20, 2020 |
Journal | Science Advances |
Publisher | American Association for the Advancement of Science |
Peer Reviewed | Peer Reviewed |
Volume | 6 |
Issue | 33 |
Article Number | eaba5029 |
DOI | https://doi.org/10.1126/sciadv.aba5029 |
Public URL | https://durham-repository.worktribe.com/output/1298562 |
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Copyright Statement
Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY). https://creativecommons.org/licenses/by/4.0/
This is an open-access article distributed under the terms of the Creative Commons Attribution license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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