Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 20, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202200166
Keywords
Inkjet Printing; Printed Electronics; Reactive Inks; Sessile Droplets; Surface Functionalisation
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Funding
- ED 388
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Driven by the development of new functional inks, inkjet-printed electronics has achieved significant milestones in various high-tech applications. However, the current spatial resolution limitation of inkjet printing hinders miniaturization and controlled organization at the nanometer scale. This review discusses the physico-chemical concepts, equipment constraints, and potential solutions for improving the resolution of inkjet printing.
Driven by the development of new functional inks, inkjet-printed electronics has achieved several milestones upon moving from the integration of simple electronic elements (e.g., temperature and pressure sensors, RFID antennas, etc.) to high-tech applications (e.g. in optoelectronics, energy storage and harvesting, medical diagnosis). Currently, inkjet printing techniques are limited by spatial resolution higher than several micrometers, which sets a redhibitorythreshold for miniaturization and for many applications that require the controlled organization of constituents at the nanometer scale. In this Review, we present the physico-chemical concepts and the equipment constraints underpinning the resolution limit of inkjet printing and describe the contributions from molecular, supramolecular, and nanomaterials-based approaches for their circumvention. Based on these considerations, we propose future trajectories for improving inkjet-printing resolution that will be driven and supported by breakthroughs coming from chemistry.
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